{"id":2797,"date":"2026-05-19T23:45:05","date_gmt":"2026-05-20T07:45:05","guid":{"rendered":"https:\/\/cntenaisi.com\/?p=2797"},"modified":"2026-05-19T23:47:07","modified_gmt":"2026-05-20T07:47:07","slug":"exigences-de-selection-de-la-hpmc-pour-les-materiaux-de-construction-a-base-de-gypse","status":"publish","type":"post","link":"https:\/\/cntenaisi.com\/fr\/exigences-de-selection-de-la-hpmc-pour-les-materiaux-de-construction-a-base-de-gypse\/","title":{"rendered":"Exigences de s\u00e9lection des HPMC pour les mat\u00e9riaux de construction \u00e0 base de gypse"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2797\" class=\"elementor elementor-2797\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a186aff elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a186aff\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a337f1c\" data-id=\"a337f1c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-20b7c24 elementor-widget elementor-widget-jkit_post_title\" data-id=\"20b7c24\" data-element_type=\"widget\" data-widget_type=\"jkit_post_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div  class=\"jeg-elementor-kit jkit-post-title jeg_module___6a0e31b55fb3f\" ><h1 class=\"post-title style-color\">Exigences de s\u00e9lection des HPMC pour les mat\u00e9riaux de construction \u00e0 base de gypse<\/h1><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ba7d947 elementor-reverse-tablet elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ba7d947\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5e1c138\" data-id=\"5e1c138\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ad47495 e-flex e-con-boxed e-con e-parent\" data-id=\"ad47495\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-87cd08a elementor-widget elementor-widget-image\" data-id=\"87cd08a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/05\/Gypsum-Based-Materials-1024x682.jpg\" class=\"attachment-large size-large wp-image-2808\" alt=\"Mat\u00e9riaux \u00e0 base de gypse\" srcset=\"https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/05\/Gypsum-Based-Materials-1024x682.jpg 1024w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/05\/Gypsum-Based-Materials-300x200.jpg 300w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/05\/Gypsum-Based-Materials-768x512.jpg 768w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/05\/Gypsum-Based-Materials-1536x1024.jpg 1536w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/05\/Gypsum-Based-Materials-18x12.jpg 18w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/05\/Gypsum-Based-Materials.jpg 2000w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d938b8e elementor-widget elementor-widget-heading\" data-id=\"d938b8e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9438598 elementor-widget elementor-widget-text-editor\" data-id=\"9438598\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Dans les syst\u00e8mes de formulation des mat\u00e9riaux de construction \u00e0 base de gypse (comme le <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/cntenaisi.com\/fr\/applications\/hpmc-pour-le-platre\/\">pl\u00e2tre<\/a><\/span>, ), le pl\u00e2tre de collage, le mastic de jointoiement, les compos\u00e9s autonivelants \u00e0 base de pl\u00e2tre, etc, <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/cntenaisi.com\/fr\/produits\/hydroxypropylmethylcellulose-hpmc\/\">Hydroxypropylm\u00e9thylcellulose (HPMC)<\/a><\/span> joue un r\u00f4le d\u00e9cisif en tant qu'additif de base, affectant directement la maniabilit\u00e9, les propri\u00e9t\u00e9s m\u00e9caniques et la qualit\u00e9 finale du produit.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Le HPMC est principalement utilis\u00e9 dans les mat\u00e9riaux \u00e0 base de gypse pour assurer la r\u00e9tention d'eau, l'\u00e9paississement, la lubrification et l'allongement du temps d'ouverture. Cependant, les diff\u00e9rents types de produits \u00e0 base de gypse ont des exigences techniques tr\u00e8s diff\u00e9rentes en ce qui concerne le HPMC. Le choix d'une qualit\u00e9 de HPMC inappropri\u00e9e peut entra\u00eener des difficult\u00e9s de mise en \u0153uvre, une force d'adh\u00e9rence insuffisante, des creux, des fissures et d'autres probl\u00e8mes de qualit\u00e9.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Cet article est destin\u00e9 aux fabricants de mat\u00e9riaux de construction \u00e0 base de gypse et aux ing\u00e9nieurs en formulation. Il passe syst\u00e9matiquement en revue les exigences de s\u00e9lection du HPMC pour les mat\u00e9riaux de construction \u00e0 base de gypse du point de vue de l'application pratique, afin d'aider les clients \u00e0 prendre des d\u00e9cisions scientifiquement fond\u00e9es et raisonnables en mati\u00e8re de s\u00e9lection des produits.<\/span><\/p><p><!-- notionvc: d8bf0b1a-4a7c-441e-ad32-605d494701bc --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-314f3f2 elementor-widget elementor-widget-heading\" data-id=\"314f3f2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">I. Fonctions essentielles du HPMC dans les mat\u00e9riaux \u00e0 base de gypse<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d48d83 elementor-widget elementor-widget-image\" data-id=\"0d48d83\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1024x683.webp\" class=\"attachment-large size-large wp-image-2717\" alt=\"\" srcset=\"https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1024x683.webp 1024w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-300x200.webp 300w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-768x512.webp 768w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1536x1024.webp 1536w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-2048x1365.webp 2048w, https:\/\/cntenaisi.com\/wp-content\/uploads\/2026\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6f2f9c elementor-widget elementor-widget-heading\" data-id=\"d6f2f9c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. R\u00e9tention de l'eau<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd7682e elementor-widget elementor-widget-text-editor\" data-id=\"dd7682e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Le processus d'hydratation du pl\u00e2tre n\u00e9cessite une quantit\u00e9 suffisante d'eau. Si l'eau s'\u00e9vapore trop rapidement ou est absorb\u00e9e par le substrat, l'hydratation du pl\u00e2tre peut \u00eatre insuffisante, ce qui se traduit par un poudrage de la surface, une r\u00e9sistance insuffisante et une adh\u00e9rence r\u00e9duite.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">La structure mol\u00e9culaire du HPMC contient un grand nombre de groupes hydroxyles. Ces groupes hydrophiles forment des liaisons hydrog\u00e8ne avec les mol\u00e9cules d'eau, absorbant et retenant l'eau par adsorption chimique. Cette capacit\u00e9 de r\u00e9tention d'eau garantit que le pl\u00e2tre dispose de suffisamment de temps pour achever la r\u00e9action d'hydratation apr\u00e8s l'application.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Valeur pratique<\/span><\/strong><span class=\"\">: Prolonge la dur\u00e9e d'ouverture de la construction et pr\u00e9vient les d\u00e9ficiences de r\u00e9sistance et les fissures superficielles caus\u00e9es par la perte d'eau.<\/span><\/p><p><!-- notionvc: d8bf0b1a-4a7c-441e-ad32-605d494701bc --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac48dd4 elementor-widget elementor-widget-heading\" data-id=\"ac48dd4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. \u00c9paississement et am\u00e9lioration de la maniabilit\u00e9<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-975c79e elementor-widget elementor-widget-text-editor\" data-id=\"975c79e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Le HPMC augmente la viscosit\u00e9 de la p\u00e2te de pl\u00e2tre, lui conf\u00e9rant une bonne thixotropie et un toucher lisse et lubrifiant. Cela facilite l'application tout en emp\u00eachant la p\u00e2te de couler sur les surfaces verticales.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Valeur pratique<\/span><\/strong><span class=\"\">: Am\u00e9liore l'efficacit\u00e9 de la construction, am\u00e9liore la sensation d'application de la truelle et r\u00e9duit l'intensit\u00e9 du travail pour les ouvriers.<\/span><\/p><p><!-- notionvc: d8bf0b1a-4a7c-441e-ad32-605d494701bc --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-baef759 elementor-widget elementor-widget-heading\" data-id=\"baef759\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Prolongation de la dur\u00e9e d'ouverture<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-901a75e elementor-widget elementor-widget-text-editor\" data-id=\"901a75e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Lors de la construction dans des environnements secs ou \u00e0 haute temp\u00e9rature, le temps d'ouverture des mat\u00e9riaux en pl\u00e2tre est consid\u00e9rablement r\u00e9duit. Le HPMC forme une structure en r\u00e9seau dans la p\u00e2te, ralentissant le taux d'\u00e9vaporation de l'eau et offrant une fen\u00eatre de travail suffisante pour la construction.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Valeur pratique<\/span><\/strong><span class=\"\">: S'adapte aux diff\u00e9rents environnements de construction et r\u00e9duit les probl\u00e8mes de construction caus\u00e9s par les changements de temp\u00e9rature.<\/span><\/p><p><!-- notionvc: d8bf0b1a-4a7c-441e-ad32-605d494701bc --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b31b750 elementor-widget elementor-widget-heading\" data-id=\"b31b750\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4. Pr\u00e9vention du creusement et de la fissuration<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3cb7293 elementor-widget elementor-widget-text-editor\" data-id=\"3cb7293\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Les fonctions combin\u00e9es de r\u00e9tention d'eau et d'\u00e9paississement du HPMC r\u00e9duisent efficacement les contraintes de retrait dans les mat\u00e9riaux en pl\u00e2tre pendant le processus de durcissement, diminuant ainsi le risque de creusement et de fissuration.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Valeur pratique<\/span><\/strong><span class=\"\">: Am\u00e9liore la qualit\u00e9 du projet et r\u00e9duit le taux de reprise.<\/span><\/p><p><!-- notionvc: d8bf0b1a-4a7c-441e-ad32-605d494701bc --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45a030f elementor-widget elementor-widget-heading\" data-id=\"45a030f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">II. Exigences de s\u00e9lection des HPMC pour diff\u00e9rents produits en pl\u00e2tre<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d80885 elementor-widget elementor-widget-text-editor\" data-id=\"5d80885\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Les diff\u00e9rents types de mat\u00e9riaux de construction \u00e0 base de gypse ont des exigences de performance diff\u00e9rentes pour le HPMC. Sur la base des pratiques industrielles et des donn\u00e9es exp\u00e9rimentales, les sections suivantes fournissent des explications d\u00e9taill\u00e9es par cat\u00e9gorie de produit.<\/p><p><!-- notionvc: 7b4000ee-b076-4838-a592-7636b2cbdc83 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fb7e6d elementor-widget elementor-widget-heading\" data-id=\"6fb7e6d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Pl\u00e2tre (couche de finition)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d45166 elementor-widget elementor-widget-text-editor\" data-id=\"7d45166\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Caract\u00e9ristiques de l'application<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Le pl\u00e2tre est principalement utilis\u00e9 pour niveler et pl\u00e2trer les murs int\u00e9rieurs, avec une \u00e9paisseur d'application typique de 5 \u00e0 20 mm. Il doit avoir une bonne fluidit\u00e9, une bonne r\u00e9tention d'eau et une bonne maniabilit\u00e9.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Exigences de s\u00e9lection du HPMC<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Gamme de viscosit\u00e9<\/span><\/strong><span class=\"\">2000-40000mPa-s<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Taux d'ajout<\/span><\/strong><span class=\"\">: G\u00e9n\u00e9ralement 0,15%-0,3% de poudre s\u00e8che totale<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Indicateurs cl\u00e9s de performance<\/span><\/strong><span class=\"\">: R\u00e9tention d'eau, pouvoir lubrifiant, temps d'ouverture<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Recommandations de s\u00e9lection<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Le pl\u00e2tre a des exigences \u00e9lev\u00e9es en mati\u00e8re de maniabilit\u00e9. Les HPMC de viscosit\u00e9 moyenne sont recommand\u00e9s pour assurer la r\u00e9tention d'eau tout en \u00e9vitant une viscosit\u00e9 excessive qui rendrait l'application difficile. Pour les constructions d'\u00e9t\u00e9, il est recommand\u00e9 d'utiliser des HPMC \u00e0 temp\u00e9rature de gel \u00e9lev\u00e9e (degr\u00e9 de substitution \u00e9lev\u00e9) afin de tenir compte de l'impact des environnements \u00e0 haute temp\u00e9rature sur la r\u00e9tention d'eau.<\/span><\/p><p><!-- notionvc: 7b4000ee-b076-4838-a592-7636b2cbdc83 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a7249e elementor-widget elementor-widget-heading\" data-id=\"2a7249e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Collage du pl\u00e2tre<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22e0823 elementor-widget elementor-widget-text-editor\" data-id=\"22e0823\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Caract\u00e9ristiques de l'application<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Le pl\u00e2tre de collage est principalement utilis\u00e9 pour le collage de mat\u00e9riaux tels que les plaques de pl\u00e2tre et les panneaux d'isolation, qui n\u00e9cessitent une grande force d'adh\u00e9rence et des propri\u00e9t\u00e9s antid\u00e9rapantes.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Exigences de s\u00e9lection du HPMC<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Gamme de viscosit\u00e9<\/span><\/strong><span class=\"\">: 30000-60000mPa-s<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Taux d'ajout<\/span><\/strong><span class=\"\">: Typiquement 1,5\u2030-2\u2030 de la poudre s\u00e8che totale.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Indicateurs cl\u00e9s de performance<\/span><\/strong><span class=\"\">: Propri\u00e9t\u00e9s antid\u00e9rapantes, force d'adh\u00e9rence, r\u00e9tention d'eau<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Recommandations de s\u00e9lection<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Le pl\u00e2tre de collage doit r\u00e9pondre \u00e0 des exigences \u00e9lev\u00e9es en mati\u00e8re de performance antid\u00e9rapante. Il est recommand\u00e9 d'utiliser de l'HPMC de viscosit\u00e9 moyenne \u00e0 \u00e9lev\u00e9e. Si l'effet antid\u00e9rapant du HPMC seul est insuffisant, une petite quantit\u00e9 de <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/cntenaisi.com\/fr\/produits\/hydroxypropylamidon-ether-hps\/\">\u00e9ther d'amidon<\/a><\/span> peut \u00eatre ajout\u00e9 pour am\u00e9liorer les propri\u00e9t\u00e9s thixotropiques.<\/span><\/p><p><!-- notionvc: 7b4000ee-b076-4838-a592-7636b2cbdc83 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d18f18c elementor-widget elementor-widget-heading\" data-id=\"d18f18c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Remplissage de joints<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd7ef70 elementor-widget elementor-widget-text-editor\" data-id=\"cd7ef70\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Caract\u00e9ristiques de l'application<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Le mastic de jointoiement est utilis\u00e9 pour remplir les joints de plaques de pl\u00e2tre, n\u00e9cessitant un faible retrait, une absence de fissuration et une facilit\u00e9 de pon\u00e7age.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Exigences de s\u00e9lection du HPMC<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Gamme de viscosit\u00e9<\/span><\/strong><span class=\"\">: 20000-50000mPa-s<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Taux d'ajout<\/span><\/strong><span class=\"\">: G\u00e9n\u00e9ralement 0,2%-0,4% de la poudre s\u00e8che totale<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Indicateurs cl\u00e9s de performance<\/span><\/strong><span class=\"\">: R\u00e9tention d'eau, r\u00e9sistance au retrait, pon\u00e7abilit\u00e9<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Recommandations de s\u00e9lection<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Le mastic de jointoiement doit r\u00e9pondre \u00e0 des exigences \u00e9lev\u00e9es en mati\u00e8re de retrait et de contr\u00f4le des fissures. Il est recommand\u00e9 d'utiliser du HPMC ayant une excellente r\u00e9tention d'eau pour assurer une hydratation ad\u00e9quate du pl\u00e2tre et r\u00e9duire le retrait.<\/span><\/p><p><!-- notionvc: 7b4000ee-b076-4838-a592-7636b2cbdc83 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e18f3d elementor-widget elementor-widget-heading\" data-id=\"4e18f3d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4. Enduit autonivelant \u00e0 base de gypse<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd774ee elementor-widget elementor-widget-text-editor\" data-id=\"bd774ee\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Caract\u00e9ristiques de l'application<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">A base de gypse <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/cntenaisi.com\/fr\/applications\/hpmc-pour-lautonivelage\/\">autonivelage<\/a><\/span> est utilis\u00e9 pour le nivellement des sols, exigeant une excellente fluidit\u00e9, des propri\u00e9t\u00e9s d'autocicatrisation et de pompage.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Exigences de s\u00e9lection du HPMC<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Le choix du HPMC varie consid\u00e9rablement en fonction de l'\u00e9paisseur de l'application et du type de substrat :<\/span><\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><table><thead><tr><th><span class=\"\">Sc\u00e9nario d'application<\/span><\/th><th><span class=\"\">Grade de viscosit\u00e9 recommand\u00e9<\/span><\/th><th><span class=\"\">Fourchette des taux d'addition<\/span><\/th><th><span class=\"\">Principaux avantages<\/span><\/th><\/tr><\/thead><tbody><tr><td><span class=\"\">Nivellement automatique standard (\u22645mm)<\/span><\/td><td><span class=\"\">400-20000mPa-s<\/span><\/td><td><span class=\"\">0.15%-0.25%<\/span><\/td><td><span class=\"\">Grande fluidit\u00e9, pompage facile<\/span><\/td><\/tr><tr><td><span class=\"\">Auto-nivelant \u00e0 base de gypse d\u00e9sulfur\u00e9<\/span><\/td><td><span class=\"\">20000-50000mPa-s<\/span><\/td><td><span class=\"\">0.2%-0.3%<\/span><\/td><td><span class=\"\">\u00c9quilibre la r\u00e9tention d'eau et la fluidit\u00e9, r\u00e9duit le risque de s\u00e9paration<\/span><\/td><\/tr><tr><td><span class=\"\">Nivellement automatique \u00e0 haute r\u00e9sistance\/couche \u00e9paisse (8-10 mm)<\/span><\/td><td><span class=\"\">50000-100000mPa-s<\/span><\/td><td><span class=\"\">0.3%-0.4%<\/span><\/td><td><span class=\"\">Am\u00e9liore la r\u00e9sistance \u00e0 l'affaissement, convient aux applications \u00e0 couche \u00e9paisse<\/span><\/td><\/tr><\/tbody><\/table><\/div><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Recommandations de s\u00e9lection<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Les compos\u00e9s autolissants \u00e0 base de gypse ont les exigences les plus \u00e9lev\u00e9es en mati\u00e8re d'\u00e9quilibre entre la fluidit\u00e9 et la r\u00e9tention d'eau. Le HPMC \u00e0 faible viscosit\u00e9 permet d'am\u00e9liorer la fluidit\u00e9 mais peut avoir une capacit\u00e9 de r\u00e9tention d'eau insuffisante. Le HPMC \u00e0 haute viscosit\u00e9 permet une bonne r\u00e9tention d'eau mais peut affecter la fluidit\u00e9. Il est recommand\u00e9 de d\u00e9terminer les param\u00e8tres optimaux par des essais \u00e0 petite \u00e9chelle.<\/span><\/p><p><!-- notionvc: 7b4000ee-b076-4838-a592-7636b2cbdc83 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4c8739 elementor-widget elementor-widget-heading\" data-id=\"e4c8739\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">III. Indicateurs techniques cl\u00e9s pour la s\u00e9lection des HPMC<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-135c564 elementor-widget elementor-widget-heading\" data-id=\"135c564\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Viscosit\u00e9<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfb1d79 elementor-widget elementor-widget-text-editor\" data-id=\"dfb1d79\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">La viscosit\u00e9 est l'indicateur de performance le plus intuitif du HPMC, mais une viscosit\u00e9 plus \u00e9lev\u00e9e n'est pas n\u00e9cessairement meilleure.<\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Viscosit\u00e9 trop faible<\/span><\/strong><span class=\"\">: R\u00e9tention d'eau insuffisante, temps d'ouverture court<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Viscosit\u00e9 trop \u00e9lev\u00e9e<\/span><\/strong><span class=\"\">: Application difficile, p\u00e2te collante, \u00e9limination difficile des bulles d'air, co\u00fbt plus \u00e9lev\u00e9.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Recommandation de TENSITE<\/span><\/strong><span class=\"\">: S\u00e9lectionner la gamme de viscosit\u00e9 appropri\u00e9e en fonction du type de produit sp\u00e9cifique plut\u00f4t que de rechercher aveugl\u00e9ment une viscosit\u00e9 \u00e9lev\u00e9e.<\/span><\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfd8ac5 elementor-widget elementor-widget-heading\" data-id=\"dfd8ac5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Degr\u00e9 de substitution (teneur en m\u00e9thoxy\/hydroxypropyle)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c2f0cc elementor-widget elementor-widget-text-editor\" data-id=\"9c2f0cc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Le degr\u00e9 de substitution affecte directement la temp\u00e9rature du gel et la capacit\u00e9 de r\u00e9tention d'eau de l'HPMC :<\/span><\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><table><thead><tr><th><span class=\"\">Grade<\/span><\/th><th><span class=\"\">Teneur en m\u00e9thoxy<\/span><\/th><th><span class=\"\">Teneur en hydroxypropyle<\/span><\/th><th><span class=\"\">Temp\u00e9rature du gel<\/span><\/th><\/tr><\/thead><tbody><tr><td><span class=\"\">Type 60<\/span><\/td><td><span class=\"\">28.0-30.0%<\/span><\/td><td><span class=\"\">7.0-12.0%<\/span><\/td><td><span class=\"\">58-64\u2103<\/span><\/td><\/tr><tr><td><span class=\"\">Type 65<\/span><\/td><td><span class=\"\">27.0-30.0%<\/span><\/td><td><span class=\"\">4.0-7.5%<\/span><\/td><td><span class=\"\">62-68\u2103<\/span><\/td><\/tr><tr><td><span class=\"\">Type 75<\/span><\/td><td><span class=\"\">19.0-24.0%<\/span><\/td><td><span class=\"\">4.0-12.0%<\/span><\/td><td><span class=\"\">70-90\u2103<\/span><\/td><\/tr><\/tbody><\/table><\/div><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Consid\u00e9rations relatives \u00e0 la s\u00e9lection<\/span><\/strong><span class=\"\">:<\/span><br \/><span class=\"\">Dans les environnements de construction estivale \u00e0 haute temp\u00e9rature, il est recommand\u00e9 d'utiliser du HPMC ayant une temp\u00e9rature de gel plus \u00e9lev\u00e9e (type 75) afin d'\u00e9viter une r\u00e9duction de la capacit\u00e9 de r\u00e9tention d'eau due \u00e0 l'augmentation de la temp\u00e9rature.<\/span><\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5305643 elementor-widget elementor-widget-heading\" data-id=\"5305643\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Taux de dissolution<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1dd3bb elementor-widget elementor-widget-text-editor\" data-id=\"c1dd3bb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Grade \u00e0 dissolution rapide (trait\u00e9 en surface)<\/span><\/strong><span class=\"\">: Se disperse rapidement dans l'eau, convient aux mortiers secs, r\u00e9siste \u00e0 l'agglutination pendant le m\u00e9lange.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Qualit\u00e9 \u00e0 dissolution lente (standard)<\/span><\/strong><span class=\"\">: N\u00e9cessite des conditions alcalines ou un chauffage pour une dissolution compl\u00e8te, convient mieux aux syst\u00e8mes liquides.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Consid\u00e9rations relatives \u00e0 la s\u00e9lection<\/span><\/strong><span class=\"\">: Le HPMC \u00e0 dissolution rapide doit \u00eatre utilis\u00e9 en priorit\u00e9 pour les produits \u00e0 base de gypse. <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/cntenaisi.com\/fr\/applications\/hpmc-pour-le-mortier-sec\/\">mortiers secs<\/a><\/span> pour garantir une dispersion uniforme pendant le m\u00e9lange et \u00e9viter les probl\u00e8mes d'agglutination.<\/span><\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ea1186 elementor-widget elementor-widget-heading\" data-id=\"8ea1186\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4. Teneur en cendres et puret\u00e9<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-def0489 elementor-widget elementor-widget-text-editor\" data-id=\"def0489\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Une faible teneur en cendres indique une plus grande puret\u00e9 du produit. Le HPMC bon march\u00e9 peut contenir plus de sels inorganiques ou de sous-produits, ce qui peut affecter la force d'adh\u00e9rence et la durabilit\u00e9 des produits en pl\u00e2tre.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Consid\u00e9rations relatives \u00e0 la s\u00e9lection<\/span><\/strong><span class=\"\">: L'indicateur de teneur en cendres figurant sur les rapports d'essai doit \u00eatre examin\u00e9 lors de la passation des march\u00e9s afin de garantir la conformit\u00e9 avec les exigences de qualit\u00e9.<\/span><\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-294bcfc elementor-widget elementor-widget-heading\" data-id=\"294bcfc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5. Finesse des particules<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ed15a3 elementor-widget elementor-widget-text-editor\" data-id=\"4ed15a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">La finesse des particules d'HPMC affecte l'uniformit\u00e9 de sa dispersion dans les mortiers secs. L'exigence typique est de 100% passant \u00e0 travers un tamis de 80 mailles.<\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49e9579 elementor-widget elementor-widget-heading\" data-id=\"49e9579\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IV. Probl\u00e8mes courants et solutions recommand\u00e9es<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42ef35a elementor-widget elementor-widget-heading\" data-id=\"42ef35a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Probl\u00e8me 1 : Temps d'ouverture des mat\u00e9riaux en pl\u00e2tre nettement plus court pendant les travaux d'\u00e9t\u00e9<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f38e7f6 elementor-widget elementor-widget-text-editor\" data-id=\"f38e7f6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Causes possibles<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">L'augmentation de la temp\u00e9rature acc\u00e9l\u00e8re l'hydratation du pl\u00e2tre<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">La faible temp\u00e9rature de gel de l'HPMC entra\u00eene une r\u00e9duction de la capacit\u00e9 de r\u00e9tention d'eau \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Solutions recommand\u00e9es<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">S\u00e9lectionner le HPMC avec une temp\u00e9rature de gel \u00e9lev\u00e9e<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Augmenter de mani\u00e8re appropri\u00e9e le dosage de HPMC (n\u00e9cessite une v\u00e9rification exp\u00e9rimentale)<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Utiliser en combinaison avec <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/cntenaisi.com\/fr\/produits\/retardateur-de-gypse\/\">ralentisseurs<\/a><\/span>\u00a0<\/span><\/p><\/li><\/ul><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83cc783 elementor-widget elementor-widget-heading\" data-id=\"83cc783\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Probl\u00e8me 2 : Changements significatifs de l'ouvrabilit\u00e9 et de la fluidit\u00e9 apr\u00e8s un changement de lot de gypse<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69b9152 elementor-widget elementor-widget-text-editor\" data-id=\"69b9152\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Causes possibles<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Les diff\u00e9rentes sources de gypse (gypse naturel, gypse d\u00e9sulfur\u00e9, phosphogypse) ont des capacit\u00e9s d'adsorption diff\u00e9rentes pour le HPMC.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Diff\u00e9rences dans la finesse, la puret\u00e9 et la teneur en impuret\u00e9s du gypse<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Solutions recommand\u00e9es<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Effectuer des essais \u00e0 petite \u00e9chelle \u00e0 chaque changement de lot de gypse<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Ajuster le dosage de HPMC ou changer le grade si n\u00e9cessaire<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">\u00c9tablir une base de donn\u00e9es interne sur la compatibilit\u00e9 entre les diff\u00e9rentes mati\u00e8res premi\u00e8res de gypse et le HPMC.<\/span><\/p><\/li><\/ul><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a8af00 elementor-widget elementor-widget-heading\" data-id=\"2a8af00\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Probl\u00e8me 3 : S\u00e9paration ou s\u00e9dimentation dans un compos\u00e9 autolissant \u00e0 base de gypse<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2c0cc1 elementor-widget elementor-widget-text-editor\" data-id=\"c2c0cc1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Causes possibles<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Dosage insuffisant de HPMC<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Mauvaise s\u00e9lection du grade de viscosit\u00e9 de l'HPMC, entra\u00eenant une capacit\u00e9 de suspension des particules insuffisante<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Solutions recommand\u00e9es<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Augmenter de mani\u00e8re appropri\u00e9e la dose de HPMC<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Choisir un grade de HPMC \u00e0 viscosit\u00e9 plus \u00e9lev\u00e9e<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><span class=\"\">Les donn\u00e9es exp\u00e9rimentales montrent que dans le compos\u00e9 autolissant \u00e0 base de gypse d\u00e9sulfur\u00e9 auquel on a ajout\u00e9 du HPMC d'une viscosit\u00e9 de 50000mPa-s, l'\u00e9paisseur de la couche de s\u00e9dimentation n'est que de 0,8cm apr\u00e8s 24 heures de s\u00e9dimentation statique, alors que le groupe de contr\u00f4le sans HPMC a une \u00e9paisseur de couche de s\u00e9dimentation de 3,2cm.<\/span><\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa3effb elementor-widget elementor-widget-heading\" data-id=\"aa3effb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Probl\u00e8me 4 : Sensation de lourdeur et de manque de fluidit\u00e9 lors de l'application<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2fb66d elementor-widget elementor-widget-text-editor\" data-id=\"c2fb66d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Causes possibles<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">La viscosit\u00e9 de l'HPMC est trop \u00e9lev\u00e9e<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Pouvoir lubrifiant insuffisant du grade HPMC s\u00e9lectionn\u00e9<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Solutions recommand\u00e9es<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Essayez un grade de HPMC \u00e0 faible viscosit\u00e9<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Ajouter une petite quantit\u00e9 d'\u00e9ther d'amidon pour am\u00e9liorer la maniabilit\u00e9.<\/span><\/p><\/li><\/ul><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1cd1de elementor-widget elementor-widget-heading\" data-id=\"e1cd1de\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V. Effet du dosage de HPMC sur les performances<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3158bc8 elementor-widget elementor-widget-text-editor\" data-id=\"3158bc8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Le dosage du HPMC affecte directement les performances des mat\u00e9riaux en gypse. Sur la base des donn\u00e9es de la recherche exp\u00e9rimentale, les effets de la variation du dosage sont r\u00e9sum\u00e9s ci-dessous.<\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5be31da elementor-widget elementor-widget-heading\" data-id=\"5be31da\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Effet sur la r\u00e9tention d'eau<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a9a208 elementor-widget elementor-widget-text-editor\" data-id=\"7a9a208\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Dans une certaine fourchette, la r\u00e9tention d'eau s'am\u00e9liore consid\u00e9rablement \u00e0 mesure que le dosage d'HPMC augmente. Lorsque le dosage d'HPMC d\u00e9passe une certaine valeur critique, l'am\u00e9lioration de la r\u00e9tention d'eau ralentit, tandis que les effets n\u00e9gatifs de l'augmentation de la viscosit\u00e9 (tels que la r\u00e9duction de la fluidit\u00e9 et la difficult\u00e9 \u00e0 \u00e9liminer les bulles d'air) commencent \u00e0 appara\u00eetre.<\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15736f9 elementor-widget elementor-widget-heading\" data-id=\"15736f9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Effet sur les propri\u00e9t\u00e9s m\u00e9caniques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b49e8ff elementor-widget elementor-widget-text-editor\" data-id=\"b49e8ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Une quantit\u00e9 appropri\u00e9e de HPMC permet d'optimiser la structure des pores du gypse durci, ce qui a un effet positif sur les propri\u00e9t\u00e9s m\u00e9caniques. Les recherches sur les syst\u00e8mes composites PSE-phosphogypse indiquent que lorsque le dosage de HPMC est de 0,20%, le PSE ne se s\u00e9pare pas de la p\u00e2te et la r\u00e9sistance du corps durci est relativement optimale.<\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61e51eb elementor-widget elementor-widget-heading\" data-id=\"61e51eb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Effet sur l'ouvrabilit\u00e9<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e94d5a elementor-widget elementor-widget-text-editor\" data-id=\"7e94d5a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Un dosage trop faible d'HPMC facilite le saignement et la s\u00e9gr\u00e9gation de la p\u00e2te. Un dosage trop \u00e9lev\u00e9 rend la p\u00e2te visqueuse, difficile \u00e0 appliquer et emp\u00eache l'\u00e9limination des bulles d'air.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Recommandation de TENSITE<\/span><\/strong><span class=\"\">: Le dosage optimal de HPMC doit \u00eatre d\u00e9termin\u00e9 par exp\u00e9rimentation en fonction du type de produit sp\u00e9cifique, des caract\u00e9ristiques de la mati\u00e8re premi\u00e8re et des exigences de construction. Il n'est pas conseill\u00e9 d'augmenter aveugl\u00e9ment le dosage.<\/span><\/p><p><!-- notionvc: ff2333b3-3770-414a-9269-1b7f3c354ce6 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87a4b76 elementor-widget elementor-widget-heading\" data-id=\"87a4b76\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e1e6a6 elementor-widget elementor-widget-text-editor\" data-id=\"7e1e6a6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">L'hydroxypropylm\u00e9thylcellulose (HPMC) est un additif fonctionnel indispensable dans les mat\u00e9riaux de construction \u00e0 base de gypse. Les diff\u00e9rents types de produits - pl\u00e2tre de gypse, gypse de liaison, mastic de jointoiement et compos\u00e9 autonivelant \u00e0 base de gypse - ont des exigences diff\u00e9rentes pour le HPMC en termes de viscosit\u00e9, de degr\u00e9 de substitution, de dosage et d'autres indicateurs.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">La strat\u00e9gie de s\u00e9lection correcte est la suivante :\u00a0<\/span><strong><span class=\"\">En fonction du type de produit et du sc\u00e9nario d'application, s\u00e9lectionnez le grade de viscosit\u00e9 et le degr\u00e9 de substitution appropri\u00e9s, et d\u00e9terminez le dosage optimal par des essais.<\/span><\/strong><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\"><span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/cntenaisi.com\/fr\/\">TENSITE<\/a><\/span> recommande \u00e0 ses clients de proc\u00e9der \u00e0 une validation approfondie de la formulation lorsqu'ils changent de lot de mati\u00e8res premi\u00e8res ou d\u00e9veloppent de nouveaux produits, et d'\u00e9tablir une base de donn\u00e9es interne sur la compatibilit\u00e9 entre les mati\u00e8res premi\u00e8res et le HPMC. Pour de plus amples informations sur les solutions de s\u00e9lection du HPMC ou pour effectuer des tests de formulation, veuillez contacter <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/cntenaisi.com\/fr\/nous-contacter\/\">contact<\/a><\/span> l'\u00e9quipe technique de TENESSY.<\/span><\/p><p><!-- notionvc: b5bf6508-190c-4be3-a46c-5837014ce909 --><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a04bf35 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a04bf35\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-335fd9f\" data-id=\"335fd9f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-703cefc elementor-widget__width-auto elementor-widget-mobile__width-initial elementor-widget-tablet__width-auto elementor-widget elementor-widget-text-editor\" data-id=\"703cefc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tTags : \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7320ac6 elementor-widget__width-auto elementor-widget elementor-widget-jkit_post_terms\" data-id=\"7320ac6\" data-element_type=\"widget\" data-widget_type=\"jkit_post_terms.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div  class=\"jeg-elementor-kit jkit-post-terms jeg_module__1_6a0e31b566575\" ><span class=\"post-terms\"><span class=\"term-list\">Produits chimiques quotidiens<\/span><\/span><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d17ceda\" data-id=\"d17ceda\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e156ae8 elementor-widget__width-auto elementor-widget-mobile__width-initial elementor-widget-tablet__width-auto elementor-widget elementor-widget-text-editor\" data-id=\"e156ae8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPartager cette information : \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e61dcf elementor-widget__width-auto jkit-social-shape shape-none elementor-widget elementor-widget-jkit_social_share\" data-id=\"4e61dcf\" data-element_type=\"widget\" data-widget_type=\"jkit_social_share.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div  class=\"jeg-elementor-kit jkit-social-share jeg_module__2_6a0e31b567cd1\" ><ul class=\"social-share-list\"><li class=\"elementor-repeater-item-844dad6\" data-social=\"facebook\">\n\t\t\t\t<a href=\"#\" class=\"facebook social-icon\" aria-label=\"partage social\"><i aria-hidden=\"true\" class=\"jki jki-facebook-light\"><\/i><\/a>\n\t\t\t<\/li><li class=\"elementor-repeater-item-3afceda\" data-social=\"twitter\">\n\t\t\t\t<a href=\"#\" class=\"twitter social-icon\" aria-label=\"partage social\"><svg viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z\"><\/path><\/svg><\/a>\n\t\t\t<\/li><li class=\"elementor-repeater-item-b3346a1\" data-social=\"linkedin\">\n\t\t\t\t<a href=\"#\" class=\"linkedin social-icon\" aria-label=\"partage social\"><svg viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M100.28 448H7.4V148.9h92.88zM53.79 108.1C24.09 108.1 0 83.5 0 53.8a53.79 53.79 0 0 1 107.58 0c0 29.7-24.1 54.3-53.79 54.3zM447.9 448h-92.68V302.4c0-34.7-.7-79.2-48.29-79.2-48.29 0-55.69 37.7-55.69 76.7V448h-92.78V148.9h89.08v40.8h1.3c12.4-23.5 42.69-48.3 87.88-48.3 94 0 111.28 61.9 111.28 142.3V448z\"><\/path><\/svg><\/a>\n\t\t\t<\/li><li class=\"elementor-repeater-item-68544eb\" data-social=\"linkedin\">\n\t\t\t\t<a href=\"#\" class=\"linkedin social-icon\" aria-label=\"partage social\"><i aria-hidden=\"true\" class=\"jki jki-youtube-v-light\"><\/i><\/a>\n\t\t\t<\/li><\/ul><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d06830b\" data-id=\"d06830b\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1cccbdc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1cccbdc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-c5ad621\" data-id=\"c5ad621\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2dcb65e elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"2dcb65e\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tVous recherchez le soutien d'un expert ?\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tNous sommes l\u00e0 24 heures sur 24, 7 jours sur 7.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjY2MCIsInRvZ2dsZSI6ZmFsc2V9\" target=\"_blank\">\n\t\t\t\t\t\tContact\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f1d8f03 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f1d8f03\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-7bf6cb4\" data-id=\"7bf6cb4\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-02d9091 elementor-widget elementor-widget-heading\" data-id=\"02d9091\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Messages r\u00e9cents<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-434bea7 elementor-widget elementor-widget-jkit_post_list\" data-id=\"434bea7\" data-element_type=\"widget\" data-widget_type=\"jkit_post_list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div  class=\"jeg-elementor-kit jkit-postlist layout-horizontal post-element jkit-pagination-disable jeg_module__3_6a0e31b56bff3\"  data-id=\"jeg_module__3_6a0e31b56bff3\" data-settings=\"{&quot;post_type&quot;:&quot;post&quot;,&quot;number_post&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:3,&quot;sizes&quot;:[]},&quot;post_offset&quot;:0,&quot;unique_content&quot;:&quot;disable&quot;,&quot;include_post&quot;:&quot;&quot;,&quot;exclude_post&quot;:&quot;&quot;,&quot;include_category&quot;:&quot;&quot;,&quot;exclude_category&quot;:&quot;&quot;,&quot;include_author&quot;:&quot;&quot;,&quot;include_tag&quot;:&quot;&quot;,&quot;exclude_tag&quot;:&quot;&quot;,&quot;sort_by&quot;:&quot;latest&quot;,&quot;pagination_mode&quot;:&quot;disable&quot;,&quot;pagination_loadmore_text&quot;:&quot;Load More&quot;,&quot;pagination_loading_text&quot;:&quot;Loading...&quot;,&quot;pagination_number_post&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:3,&quot;sizes&quot;:[]},&quot;pagination_scroll_limit&quot;:0,&quot;pagination_icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;},&quot;pagination_icon_position&quot;:&quot;before&quot;,&quot;sg_content_layout&quot;:&quot;horizontal&quot;,&quot;sg_content_image_enable&quot;:&quot;&quot;,&quot;sg_content_background_image_enable&quot;:&quot;&quot;,&quot;sg_content_icon_enable&quot;:&quot;&quot;,&quot;sg_content_icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;sg_content_meta_enable&quot;:&quot;yes&quot;,&quot;sg_content_meta_date_enable&quot;:&quot;yes&quot;,&quot;sg_content_meta_date_type&quot;:&quot;published&quot;,&quot;sg_content_meta_date_format&quot;:&quot;default&quot;,&quot;sg_content_meta_date_format_custom&quot;:&quot;F j, Y&quot;,&quot;sg_content_meta_date_icon&quot;:{&quot;value&quot;:&quot;jki jki-calendar-page-empty-light&quot;,&quot;library&quot;:&quot;jkiticon&quot;},&quot;sg_content_meta_category_enable&quot;:&quot;&quot;,&quot;sg_content_meta_category_icon&quot;:{&quot;value&quot;:&quot;fas fa-tag&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;sg_content_meta_position&quot;:&quot;bottom&quot;,&quot;sg_content_image_size_imagesize_size&quot;:&quot;medium&quot;,&quot;paged&quot;:1,&quot;class&quot;:&quot;jkit_post_list&quot;}\"><div class=\"jkit-block-container\"><div class=\"jkit-posts jkit-ajax-flag\">\n            <article class=\"jkit-post post-list-item\">\n                <a href=\"https:\/\/cntenaisi.com\/fr\/exigences-de-selection-de-la-hpmc-pour-les-materiaux-de-construction-a-base-de-gypse\/\" >\n                    \n                    <div class=\"jkit-postlist-content\"><span class=\"jkit-postlist-title\">Exigences de s\u00e9lection des HPMC pour les mat\u00e9riaux de construction \u00e0 base de gypse<\/span><div class=\"meta-lists\"><span class=\"meta-date\"><i aria-hidden=\"true\" class=\"jki jki-calendar-page-empty-light\"><\/i>19 mai 2026<\/span> <\/div><\/div>\n                <\/a>\n            <\/article><article class=\"jkit-post post-list-item\">\n                <a href=\"https:\/\/cntenaisi.com\/fr\/applications-fonctionnelles-des-superplastifiants-polycarboxylates-dans-les-colles-a-carreaux\/\" >\n                    \n                    <div class=\"jkit-postlist-content\"><span class=\"jkit-postlist-title\">Applications fonctionnelles des superplastifiants \u00e0 base de polycarboxylate dans les adh\u00e9sifs pour carrelage<\/span><div class=\"meta-lists\"><span class=\"meta-date\"><i aria-hidden=\"true\" class=\"jki jki-calendar-page-empty-light\"><\/i>11 mai 2026<\/span> <\/div><\/div>\n                <\/a>\n            <\/article><article class=\"jkit-post post-list-item\">\n                <a href=\"https:\/\/cntenaisi.com\/fr\/un-ingredient-aux-multiples-bienfaits-le-secret-de-lhpmc-dans-les-soins-de-la-peau-pour-epaissir-former-un-film-et-hydrater\/\" >\n                    \n                    <div class=\"jkit-postlist-content\"><span class=\"jkit-postlist-title\">Un ingr\u00e9dient, des avantages multiples : Le secret du HPMC dans les soins de la peau pour \u00e9paissir, former un film et hydrater<\/span><div class=\"meta-lists\"><span class=\"meta-date\"><i aria-hidden=\"true\" class=\"jki jki-calendar-page-empty-light\"><\/i>27 avril 2026<\/span> <\/div><\/div>\n                <\/a>\n            <\/article>\n        <\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-46b7b20 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"46b7b20\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-48692c9\" data-id=\"48692c9\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ebda81c elementor-widget elementor-widget-heading\" data-id=\"ebda81c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Produits<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b549ee2 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"b549ee2\" data-element_type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/hydroxypropylmethylcellulose-hpmc\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">HPMC - Hydroxypropylm\u00e9thylcellulose<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/hydroxyethylmethylcellulose-hemc\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">HEMC - Hydroxy\u00e9thylm\u00e9thylcellulose<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/hydroxyethylcellulose-hec\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">HEC - Hydroxy\u00e9thylcellulose<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/carboxymethylcellulose-cmc\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">CMC - Carboxym\u00e9thylcellulose<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/cellulose-polyanionique-pac\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PAC - Cellulose polyanionique<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/carboxymethylcellulose-cmc\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">HPS - \u00c9ther d'hydroxypropyle et d'amidon<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/poudre-de-polymere-redispersable-rdp\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">RDP - Poudre de polym\u00e8re redispersable<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/superplastifiant-polycarboxylate-pce\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Superplastifiant \u00e0 base de polycarboxylate<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/poudre-de-silicone-hydrophobe-shp\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Poudre hydrophobe de silicone<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/retardateur-de-gypse\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Retardateur de gypse<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/cntenaisi.com\/fr\/produits\/antimousse-en-poudre\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Antimousse en poudre<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>L'hydroxypropylm\u00e9thylcellulose (HPMC) joue un r\u00f4le d\u00e9cisif en tant qu'additif de base, affectant directement la maniabilit\u00e9, les propri\u00e9t\u00e9s m\u00e9caniques et la qualit\u00e9 finale du produit.<\/p>","protected":false},"author":1,"featured_media":1061,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-2797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-daily-chemicals"],"_links":{"self":[{"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/posts\/2797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/comments?post=2797"}],"version-history":[{"count":16,"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/posts\/2797\/revisions"}],"predecessor-version":[{"id":2814,"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/posts\/2797\/revisions\/2814"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/media\/1061"}],"wp:attachment":[{"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/media?parent=2797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/categories?post=2797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cntenaisi.com\/fr\/wp-json\/wp\/v2\/tags?post=2797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}