{"id":14982,"date":"2026-07-29T09:02:29","date_gmt":"2026-07-29T09:02:29","guid":{"rendered":"https:\/\/tenessy.com\/?p=14982"},"modified":"2026-07-29T09:15:26","modified_gmt":"2026-07-29T09:15:26","slug":"guide-des-grades-de-viscosite-hpmc-comment-choisir-le-grade-adapte","status":"publish","type":"post","link":"https:\/\/tenessy.com\/fr\/guide-des-grades-de-viscosite-hpmc-comment-choisir-le-grade-adapte\/","title":{"rendered":"Guide des grades de viscosit\u00e9 de l'HPMC : comment choisir le grade adapt\u00e9"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14982\" class=\"elementor elementor-14982\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a7ddfa e-flex e-con-boxed e-con e-parent\" data-id=\"6a7ddfa\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8e41eeb elementor-widget elementor-widget-text-editor\" data-id=\"8e41eeb\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" 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><strong>La viscosit\u00e9 de l'HPMC varie entre 400 et 200 000 mPa\u00b7s<\/strong>, et le choix de la bonne nuance d\u00e9pend de votre application : faible viscosit\u00e9 (400\u20131 500 mPa\u00b7s) pour les produits autonivelants et \u00e0 projeter, viscosit\u00e9 moyenne (1 500\u201315 000 mPa\u00b7s) pour les colles \u00e0 carrelage et les mastics, et une viscosit\u00e9 \u00e9lev\u00e9e (15 000\u2013200 000 mPa\u00b7s) pour les produits sous forme de gel \u00e9pais et une forte r\u00e9tention d\u2019eau \u00e0 faible dosage. En r\u00e8gle g\u00e9n\u00e9rale, une viscosit\u00e9 plus \u00e9lev\u00e9e signifie un pouvoir \u00e9paississant plus important \u00e0 faible dosage, mais une plus grande difficult\u00e9 \u00e0 dissoudre et \u00e0 m\u00e9langer le produit.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-13590 size-large\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/01\/Viscosity-test-1024x683.webp\" alt=\"Test de viscosit\u00e9 de l&#039;HPMC\" width=\"800\" height=\"534\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/01\/Viscosity-test-1024x683.webp 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/01\/Viscosity-test-300x200.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/01\/Viscosity-test-768x512.webp 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/01\/Viscosity-test-1536x1024.webp 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/01\/Viscosity-test-2048x1365.webp 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/01\/Viscosity-test-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p><p>Ce guide explique comment mesurer la viscosit\u00e9 de l'HPMC, comment choisir la qualit\u00e9 adapt\u00e9e \u00e0 chaque application et pr\u00e9sente les \u00e9l\u00e9ments \u00e0 prendre en compte lors de la formulation, afin de vous aider \u00e0 choisir la qualit\u00e9 la mieux adapt\u00e9e \u00e0 votre produit.<\/p><h3>Comment mesure-t-on la viscosit\u00e9 de l'HPMC ?<\/h3><p>La viscosit\u00e9 de l'HPMC est g\u00e9n\u00e9ralement mesur\u00e9e sous forme de solution aqueuse 2% \u00e0 20 \u00b0C \u00e0 l'aide d'un viscosim\u00e8tre rotatif (de type Brookfield). La valeur de viscosit\u00e9 repr\u00e9sente la r\u00e9sistance de la solution \u00e0 l'\u00e9coulement dans des conditions de cisaillement sp\u00e9cifiques.<\/p><p><strong>Principaux param\u00e8tres de mesure :<\/strong><\/p><ul><li>Concentration : 2% d'HPMC dans l'eau (poids\/poids)<\/li><\/ul><ul><li>Temp\u00e9rature : 20 \u00b0C (\u00b1 0,1 \u00b0C)<\/li><\/ul><ul><li>Appareil : viscosim\u00e8tre rotatif Brookfield<\/li><\/ul><ul><li>Broche et vitesse : varient en fonction de la plage de viscosit\u00e9 (par exemple, broche #2 \u00e0 60 tr\/min pour une viscosit\u00e9 moyenne)<\/li><\/ul><p><strong>Important<\/strong>: Les conditions de mesure peuvent varier l\u00e9g\u00e8rement d'un fabricant \u00e0 l'autre. Veillez \u00e0 toujours comparer les viscosit\u00e9s mesur\u00e9es dans les m\u00eames conditions. TENESSY fournit des sp\u00e9cifications de viscosit\u00e9 normalis\u00e9es sur chaque certificat d'analyse.<\/p><h3>Cat\u00e9gories de viscosit\u00e9 de l'HPMC<\/h3><p>TENESSY fabrique de l'HPMC dans quatre cat\u00e9gories de viscosit\u00e9 :<\/p><h4>Faible viscosit\u00e9 (400 \u00e0 1 500 mPa\u00b7s)<\/h4><table><tbody><tr><td><p>Niveau<\/p><\/td><td><p>Viscosit\u00e9<\/p><\/td><td><p>Les meilleures applications<\/p><\/td><td><p>Dosage typique<\/p><\/td><\/tr><tr><td><p>TL-400<\/p><\/td><td><p>400 mPa\u00b7s<\/p><\/td><td><p>Mortier autonivelant, mortier \u00e0 projeter, d\u00e9tergent<\/p><\/td><td><p>0.3\u20131.0%<\/p><\/td><\/tr><tr><td><p>TL-1000<\/p><\/td><td><p>1 000 mPa\u00b7s<\/p><\/td><td><p>Mortier autonivelant, mortier-colle, gels nettoyants<\/p><\/td><td><p>0.3\u20130.8%<\/p><\/td><\/tr><tr><td><p>TL-1500<\/p><\/td><td><p>1 500 mPa\u00b7s<\/p><\/td><td><p>Colle \u00e0 carrelage (grand format), produits d'entretien polyvalents<\/p><\/td><td><p>0.3\u20130.6%<\/p><\/td><\/tr><\/tbody><\/table><p><strong>Caract\u00e9ristiques<\/strong>: Facile \u00e0 dissoudre, faible pouvoir \u00e9paississant, excellente fluidit\u00e9 et excellent pouvoir d'autonivellement. Recommand\u00e9 lorsque la formulation doit rester fluide (compos\u00e9s autonivelants) ou lorsqu'un dosage \u00e9lev\u00e9 est n\u00e9cessaire sans \u00e9paississement excessif.<\/p><h4>Viscosit\u00e9 moyenne (1 500 \u00e0 15 000 mPa\u00b7s)<\/h4><table><tbody><tr><td><p>Niveau<\/p><\/td><td><p>Viscosit\u00e9<\/p><\/td><td><p>Les meilleures applications<\/p><\/td><td><p>Dosage typique<\/p><\/td><\/tr><tr><td><p>TL-6000<\/p><\/td><td><p>6 000 mPa\u00b7s<\/p><\/td><td><p>Colle \u00e0 carrelage, enduit mural, couche de lissage<\/p><\/td><td><p>0.3\u20130.5%<\/p><\/td><\/tr><tr><td><p>TL-10000<\/p><\/td><td><p>10 000 mPa\u00b7s<\/p><\/td><td><p>Colle \u00e0 carrelage, mastic d'ext\u00e9rieur, mortier<\/p><\/td><td><p>0,2-0,4%<\/p><\/td><\/tr><tr><td><p>TL-15000<\/p><\/td><td><p>15 000 mPa\u00b7s<\/p><\/td><td><p>Colle \u00e0 carrelage haut de gamme, mortier \u00e0 couche \u00e9paisse<\/p><\/td><td><p>0,2-0,4%<\/p><\/td><\/tr><\/tbody><\/table><p><strong>Caract\u00e9ristiques<\/strong>: \u00c9paississement et r\u00e9tention d'eau \u00e9quilibr\u00e9s. La gamme la plus couramment utilis\u00e9e dans le secteur du b\u00e2timent. Bonne vitesse de dissolution et bonnes propri\u00e9t\u00e9s de mise en \u0153uvre.<\/p><h4>Haute viscosit\u00e9 (15 000 \u00e0 100 000 mPa\u00b7s)<\/h4><table><tbody><tr><td><p>Niveau<\/p><\/td><td><p>Viscosit\u00e9<\/p><\/td><td><p>Les meilleures applications<\/p><\/td><td><p>Dosage typique<\/p><\/td><\/tr><tr><td><p>TL-30000<\/p><\/td><td><p>30 000 mPa\u00b7s<\/p><\/td><td><p>Mastic pour murs, mortier \u00e9pais, produit de rebouchage des fissures<\/p><\/td><td><p>0.2\u20130.3%<\/p><\/td><\/tr><tr><td><p>TL-50000<\/p><\/td><td><p>50 000 mPa\u00b7s<\/p><\/td><td><p>Mastic \u00e9pais, produit de remplissage pour joints, r\u00e9paration des fissures<\/p><\/td><td><p>0.15\u20130.3%<\/p><\/td><\/tr><tr><td><p>TL-100000<\/p><\/td><td><p>100 000 mPa\u00b7s<\/p><\/td><td><p>R\u00e9tention d'eau maximale, faible dosage<\/p><\/td><td><p>0,1-0,2%<\/p><\/td><\/tr><\/tbody><\/table><p><strong>Caract\u00e9ristiques<\/strong>: Efficacit\u00e9 d'\u00e9paississement \u00e9lev\u00e9e \u00e0 faible dosage. Dissolution plus lente. \u00c0 privil\u00e9gier lorsqu'une forte r\u00e9tention d'eau est requise avec un ajout minimal (afin de ne pas alt\u00e9rer les autres propri\u00e9t\u00e9s de la formulation).<\/p><h4>Viscosit\u00e9 ultra-\u00e9lev\u00e9e (100 000 \u00e0 200 000 mPa\u00b7s)<\/h4><table><tbody><tr><td><p>Niveau<\/p><\/td><td><p>Viscosit\u00e9<\/p><\/td><td><p>Les meilleures applications<\/p><\/td><td><p>Dosage typique<\/p><\/td><\/tr><tr><td><p>TL-150000<\/p><\/td><td><p>150 000 mPa\u00b7s<\/p><\/td><td><p>Haute capacit\u00e9 de r\u00e9tention d'eau sp\u00e9cialis\u00e9e<\/p><\/td><td><p>0.1\u20130.15%<\/p><\/td><\/tr><tr><td><p>TL-200000<\/p><\/td><td><p>200 000 mPa\u00b7s<\/p><\/td><td><p>R\u00e9tention d'eau maximale, gels \u00e9pais<\/p><\/td><td><p>0.05\u20130.15%<\/p><\/td><\/tr><\/tbody><\/table><p><strong>Caract\u00e9ristiques<\/strong>: \u00c9paisseur et r\u00e9tention d'eau maximales \u00e0 la dose la plus faible. Dissolution tr\u00e8s lente \u2014 n\u00e9cessite une dispersion dans de l'eau chaude ou froide.<\/p><h3>Guide de s\u00e9lection de la viscosit\u00e9 en fonction de l'application<\/h3><h4>Adh\u00e9sif pour carrelage<\/h4><table><tbody><tr><td><p>Type de carreaux<\/p><\/td><td><p>Viscosit\u00e9 recommand\u00e9e<\/p><\/td><td><p>Posologie<\/p><\/td><td><p>Justification<\/p><\/td><\/tr><tr><td><p>C\u00e9ramique standard (int\u00e9rieur)<\/p><\/td><td><p>6 000 \u00e0 15 000 mPa\u00b7s<\/p><\/td><td><p>0.3\u20130.5%<\/p><\/td><td><p>\u00c9quilibre entre la maniabilit\u00e9 et la r\u00e9sistance \u00e0 l'affaissement<\/p><\/td><\/tr><tr><td><p>Porcelaine grand format<\/p><\/td><td><p>15 000 \u00e0 30 000 mPa\u00b7s<\/p><\/td><td><p>0.3\u20130.4%<\/p><\/td><td><p>Meilleure r\u00e9sistance \u00e0 l'affaissement pour les carreaux lourds<\/p><\/td><\/tr><tr><td><p>Mosa\u00efque de verre \/ petits carreaux<\/p><\/td><td><p>6 000 mPa\u00b7s<\/p><\/td><td><p>0.3\u20130.5%<\/p><\/td><td><p>Bonne maniabilit\u00e9, r\u00e9glage facile<\/p><\/td><\/tr><tr><td><p>Pierre naturelle<\/p><\/td><td><p>15 000 mPa\u00b7s<\/p><\/td><td><p>0.3\u20130.5%<\/p><\/td><td><p>\u00c9vite les taches sur le support, bonne tenue<\/p><\/td><\/tr><\/tbody><\/table><p><a href=\"\/blog\/hpmc-for-tile-adhesive\/\">En savoir plus : HPMC pour colle \u00e0 carrelage \u2192<\/a><\/p><h4>Enduit de rebouchage et enduit de lissage<\/h4><table><tbody><tr><td><p>Application<\/p><\/td><td><p>Viscosit\u00e9 recommand\u00e9e<\/p><\/td><td><p>Posologie<\/p><\/td><td><p>Justification<\/p><\/td><\/tr><tr><td><p>Enduit pour murs int\u00e9rieurs<\/p><\/td><td><p>30 000 \u00e0 50 000 mPa\u00b7s<\/p><\/td><td><p>0,2-0,4%<\/p><\/td><td><p>Grande capacit\u00e9 de r\u00e9tention d'eau, finition lisse<\/p><\/td><\/tr><tr><td><p>Mastic pour ext\u00e9rieur<\/p><\/td><td><p>40 000 \u00e0 75 000 mPa\u00b7s<\/p><\/td><td><p>0.2\u20130.3%<\/p><\/td><td><p>R\u00e9sistance aux intemp\u00e9ries, pr\u00e9vention des fissures<\/p><\/td><\/tr><tr><td><p>Couche de lissage \/ finition<\/p><\/td><td><p>30 000 \u00e0 50 000 mPa\u00b7s<\/p><\/td><td><p>0.2\u20130.3%<\/p><\/td><td><p>Application homog\u00e8ne, sans r\u00e9tr\u00e9cissement<\/p><\/td><\/tr><\/tbody><\/table><h4>Mortier sec<\/h4><table><tbody><tr><td><p>Type de mortier<\/p><\/td><td><p>Viscosit\u00e9 recommand\u00e9e<\/p><\/td><td><p>Posologie<\/p><\/td><td><p>Justification<\/p><\/td><\/tr><tr><td><p>Mortier de ma\u00e7onnerie<\/p><\/td><td><p>6 000 \u00e0 15 000 mPa\u00b7s<\/p><\/td><td><p>0,2-0,4%<\/p><\/td><td><p>Ouvrabilit\u00e9, r\u00e9tention d'eau<\/p><\/td><\/tr><tr><td><p>Mortier de pl\u00e2trage<\/p><\/td><td><p>15 000 \u00e0 30 000 mPa\u00b7s<\/p><\/td><td><p>0.2\u20130.3%<\/p><\/td><td><p>Anti-affaissement, r\u00e9tention d'eau<\/p><\/td><\/tr><tr><td><p>Mortier de r\u00e9paration<\/p><\/td><td><p>15 000 \u00e0 30 000 mPa\u00b7s<\/p><\/td><td><p>0.3\u20130.5%<\/p><\/td><td><p>Adh\u00e9rence, ma\u00eetrise du retrait<\/p><\/td><\/tr><tr><td><p>Colle ETICS<\/p><\/td><td><p>15 000 \u00e0 30 000 mPa\u00b7s<\/p><\/td><td><p>0.3\u20130.5%<\/p><\/td><td><p>R\u00e9sistance \u00e0 l'affaissement, temps ouvert<\/p><\/td><\/tr><\/tbody><\/table><h4>Mortier autonivelant<\/h4><table><tbody><tr><td><p>Application<\/p><\/td><td><p>Viscosit\u00e9 recommand\u00e9e<\/p><\/td><td><p>Posologie<\/p><\/td><td><p>Justification<\/p><\/td><\/tr><tr><td><p>Couche de fond autonivelante<\/p><\/td><td><p>400 \u00e0 1 000 mPa\u00b7s<\/p><\/td><td><p>0.3\u20130.5%<\/p><\/td><td><p>Faible viscosit\u00e9 pour faciliter l'\u00e9coulement et contr\u00f4ler le purge<\/p><\/td><\/tr><tr><td><p>Rev\u00eatement autonivelant<\/p><\/td><td><p>400 mPa\u00b7s<\/p><\/td><td><p>0.3\u20130.5%<\/p><\/td><td><p>D\u00e9bit maximal, \u00e9paississement minimal<\/p><\/td><\/tr><\/tbody><\/table><p><strong>Point cl\u00e9<\/strong>: Les enduits autonivelants n\u00e9cessitent de l'HPMC \u00e0 FAIBLE viscosit\u00e9. L'utilisation d'HPMC \u00e0 viscosit\u00e9 moyenne ou \u00e9lev\u00e9e compromettrait la propri\u00e9t\u00e9 d'autonivelage. Par ailleurs, la formulation \u00e0 faible viscosit\u00e9 assure une r\u00e9tention d'eau essentielle pour \u00e9viter le saignement et garantir une bonne hydratation.<\/p><h4>D\u00e9tergents et produits d'entretien<\/h4><table><tbody><tr><td><p>Type de produit<\/p><\/td><td><p>Viscosit\u00e9 recommand\u00e9e<\/p><\/td><td><p>Posologie<\/p><\/td><td><p>Justification<\/p><\/td><\/tr><tr><td><p>Gel nettoyant pour WC<\/p><\/td><td><p>1 500 \u00e0 6 000 mPa\u00b7s<\/p><\/td><td><p>0.5\u20131.5%<\/p><\/td><td><p>Consistance de gel, stable en milieu acide<\/p><\/td><\/tr><tr><td><p>Liquide vaisselle<\/p><\/td><td><p>400 \u00e0 1 500 mPa\u00b7s<\/p><\/td><td><p>0.5\u20131.0%<\/p><\/td><td><p>Viscosit\u00e9 fluide, mousse stable<\/p><\/td><\/tr><tr><td><p>Nettoyant pour surfaces dures<\/p><\/td><td><p>100 \u00e0 1 500 mPa\u00b7s<\/p><\/td><td><p>0.2\u20131.0%<\/p><\/td><td><p>Application par pulv\u00e9risation, couverture uniforme<\/p><\/td><\/tr><tr><td><p>Nettoyant pour sols<\/p><\/td><td><p>100 \u00e0 400 mPa\u00b7s<\/p><\/td><td><p>0,2-0,5%<\/p><\/td><td><p>Faible quantit\u00e9 de r\u00e9sidus, r\u00e9partition homog\u00e8ne<\/p><\/td><\/tr><\/tbody><\/table><p><a href=\"https:\/\/tenessy.com\/applications\/daily-chemical-solution\/\">D\u00e9couvrir : Applications quotidiennes des produits chimiques \u2192<\/a><\/p><h3>Dosage et viscosit\u00e9 : le compromis<\/h3><p>On croit souvent \u00e0 tort que les grades de viscosit\u00e9 les plus \u00e9lev\u00e9s sont toujours les meilleurs. En r\u00e9alit\u00e9, le choix optimal consiste \u00e0 trouver un juste \u00e9quilibre entre l'efficacit\u00e9 de l'\u00e9paississement et les contraintes pratiques li\u00e9es \u00e0 la formulation :<\/p><table><tbody><tr><td><p>Facteur<\/p><\/td><td><p>Faible viscosit\u00e9<\/p><\/td><td><p>Haute viscosit\u00e9<\/p><\/td><\/tr><tr><td><p>Rendement d'\u00e9paississement<\/p><\/td><td><p>Moins (il en faut plus)<\/p><\/td><td><p>Plus \u00e9lev\u00e9 (besoin moindre)<\/p><\/td><\/tr><tr><td><p>Vitesse de dissolution<\/p><\/td><td><p>Plus rapide<\/p><\/td><td><p>Plus lent<\/p><\/td><\/tr><tr><td><p>Difficult\u00e9 de m\u00e9lange<\/p><\/td><td><p>Facile<\/p><\/td><td><p>Plus dur (risque de formation de grumeaux)<\/p><\/td><\/tr><tr><td><p>Co\u00fbt par formulation<\/p><\/td><td><p>Peut \u00eatre plus \u00e9lev\u00e9 (plus de produit)<\/p><\/td><td><p>Peut \u00eatre inf\u00e9rieur (moins de produit)<\/p><\/td><\/tr><tr><td><p>Incidence sur d'autres biens immobiliers<\/p><\/td><td><p>Minimal (faible dosage)<\/p><\/td><td><p>Minimal (faible dosage)<\/p><\/td><\/tr><tr><td><p>Risque d'\u00e9paississement excessif<\/p><\/td><td><p>Faible<\/p><\/td><td><p>Plus \u00e9lev\u00e9<\/p><\/td><\/tr><\/tbody><\/table><p><strong>R\u00e8gle empirique<\/strong>: Commencez par une viscosit\u00e9 moyenne (6 000 \u00e0 15 000 mPa\u00b7s pour les produits de construction, 400 \u00e0 1 500 pour les d\u00e9tergents) et ajustez-la en fonction des r\u00e9sultats des tests de performance. N'optez pour des viscosit\u00e9s \u00e9lev\u00e9es que si vous avez besoin d'une r\u00e9tention d'eau maximale \u00e0 un dosage minimal.<\/p><h3>Comment dissoudre correctement l'HPMC<\/h3><p>La m\u00e9thode de dissolution varie en fonction du degr\u00e9 de viscosit\u00e9 :<\/p><p><strong>Pour les fluides de viscosit\u00e9 faible \u00e0 moyenne (\u2264 15 000 mPa\u00b7s)<\/strong>:<\/p><ol><li>Ajouter la poudre d'HPMC \u00e0 de l'eau \u00e0 temp\u00e9rature ambiante tout en remuant<\/li><\/ol><ol><li>Continuez \u00e0 remuer pendant 15 \u00e0 30 minutes jusqu\u2019\u00e0 dissolution compl\u00e8te<\/li><\/ol><ol><li>La solution est pr\u00eate \u00e0 l'emploi<\/li><\/ol><p><strong>Pour les fluides \u00e0 viscosit\u00e9 \u00e9lev\u00e9e et ultra-\u00e9lev\u00e9e (&gt; 15 000 mPa\u00b7s)<\/strong> \u2014 M\u00e9thode de dispersion \u00e0 chaud\/\u00e0 froid :<\/p><ol><li>Faites chauffer l'eau \u00e0 une temp\u00e9rature comprise entre 80 et 90 \u00b0C<\/li><\/ol><ol><li>Ajouter la poudre d'HPMC tout en remuant vigoureusement (elle se disperse mais ne se dissout pas \u00e0 cette temp\u00e9rature)<\/li><\/ol><ol><li>Une fois toute la poudre dispers\u00e9e, ajoutez de l'eau froide ou des gla\u00e7ons pour ramener la temp\u00e9rature en dessous de 50 \u00b0C.<\/li><\/ol><ol><li>M\u00e9langez jusqu'\u00e0 dissolution compl\u00e8te (la solution s'\u00e9paissira en refroidissant)<\/li><\/ol><p><strong>Nuances \u00e0 traitement de surface (dissolution retard\u00e9e)<\/strong>: Peut \u00eatre ajout\u00e9 directement \u00e0 l'eau froide. La dispersion est imm\u00e9diate ; la dissolution commence apr\u00e8s 5 \u00e0 15 minutes d'agitation. Id\u00e9al pour les lignes de production automatis\u00e9es.<\/p><h3>FAQ<\/h3><p><strong>Quelle est la viscosit\u00e9 de l'HPMC la mieux adapt\u00e9e \u00e0 la colle \u00e0 carrelage ?<\/strong> Pour une colle \u00e0 carrelage standard, utilisez de l'HPMC pr\u00e9sentant une viscosit\u00e9 comprise entre 6 000 et 15 000 mPa\u00b7s, \u00e0 un dosage de 0,3 \u00e0 0,51 TP3T. Pour les colles \u00e0 carrelage grand format n\u00e9cessitant une meilleure r\u00e9sistance \u00e0 l'affaissement, utilisez une viscosit\u00e9 comprise entre 15 000 et 30 000 mPa\u00b7s. Consultez notre guide d\u00e9taill\u00e9 : <a href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/hpmc-for-tile-adhesive\/\">HPMC pour l'adh\u00e9sif de carrelage<\/a>.<\/p><p><strong>Comment convertir la viscosit\u00e9 de l'HPMC entre diff\u00e9rentes unit\u00e9s de concentration ?<\/strong> Les sp\u00e9cifications de viscosit\u00e9 sont g\u00e9n\u00e9ralement indiqu\u00e9es pour une concentration de 2%. Si vous devez effectuer une comparaison avec une sp\u00e9cification 1%, notez que les solutions 1% pr\u00e9sentent une viscosit\u00e9 nettement inf\u00e9rieure (environ 1\/5 \u00e0 1\/10 de la valeur 2%, selon la qualit\u00e9). Comparez toujours les viscosit\u00e9s \u00e0 la m\u00eame concentration et \u00e0 la m\u00eame temp\u00e9rature.<\/p><p><strong>Puis-je m\u00e9langer diff\u00e9rentes grades de viscosit\u00e9 d'HPMC ?<\/strong> Oui. Le m\u00e9lange de diff\u00e9rentes viscosit\u00e9s est une pratique courante dans l'optimisation des formulations. Par exemple, le m\u00e9lange d'une viscosit\u00e9 de 6 000 mPa\u00b7s avec une viscosit\u00e9 de 30 000 mPa\u00b7s peut permettre d'obtenir une viscosit\u00e9 interm\u00e9diaire offrant un \u00e9quilibre entre la vitesse de dissolution et l'efficacit\u00e9 d'\u00e9paississement. La viscosit\u00e9 obtenue correspond approximativement \u00e0 la moyenne logarithmique pond\u00e9r\u00e9e des viscosit\u00e9s des composants.<\/p><h3>Pour en savoir plus<\/h3><ul><li>HPMC vs HEMC : 5 diff\u00e9rences cl\u00e9s<\/li><\/ul><ul><li><a href=\"\/products\/hpmc-hydroxypropyl-methyl-cellulose\/\">Caract\u00e9ristiques techniques du produit HPMC<\/a><\/li><\/ul><ul><li><a href=\"\/applications\/construction-and-building-solution\/\">Applications dans le secteur du b\u00e2timent<\/a><\/li><\/ul><ul><li><a href=\"\/applications\/daily-chemical-solution\/\">Applications chimiques quotidiennes<\/a><\/li><\/ul><p><a href=\"\/contact-us\/\">Contacter TENESSY<\/a> pour obtenir des conseils sur les nuances et des \u00e9chantillons gratuits adapt\u00e9s \u00e0 votre projet.<\/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<\/div>","protected":false},"excerpt":{"rendered":"<p>Explications sur les grades de viscosit\u00e9 de l'HPMC : de 400 \u00e0 200 000 mPa\u00b7s. D\u00e9couvrez comment choisir la viscosit\u00e9 adapt\u00e9e pour les colles \u00e0 carrelage, les enduits muraux, les mortiers, les d\u00e9tergents et les rev\u00eatements. Guide de s\u00e9lection complet avec tableaux de dosage.<\/p>","protected":false},"author":1,"featured_media":8732,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14982","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HPMC Viscosity Grades Guide: How to Choose the Right Grade - TENESSY Chemical<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tenessy.com\/fr\/guide-des-grades-de-viscosite-hpmc-comment-choisir-le-grade-adapte\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HPMC Viscosity Grades Guide: How to Choose the Right Grade - TENESSY Chemical\" \/>\n<meta property=\"og:description\" content=\"HPMC viscosity grades explained: 400 to 200,000 mPa\u00b7s. 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