{"id":12145,"date":"2026-01-23T03:06:02","date_gmt":"2026-01-23T03:06:02","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?post_type=product&#038;p=12145"},"modified":"2026-01-23T06:49:36","modified_gmt":"2026-01-23T06:49:36","slug":"alcool-polyvinylique-pva-26-88-ultra-haute-viscosite","status":"publish","type":"product","link":"https:\/\/rawchemicalmart.com\/fr\/produit\/alcool-polyvinylique-pva-26-88-ultra-haute-viscosite\/","title":{"rendered":"Alcool polyvinylique (PVA) 26-88 \/ 2688"},"content":{"rendered":"<h2>Caract\u00e9ristiques:<\/h2>\n<div class=\"table-scroll-wrapper\">\n<table id=\"tablepress-102\" class=\"tablepress tablepress-id-102\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Article<\/th><th class=\"column-2\">Sp\u00e9cification<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Degr\u00e9 d&#039;alcoolyse (mol%)<\/td><td class=\"column-2\">98.00 - 100<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Viscosit\u00e9 (mPa\u00b7s)<\/td><td class=\"column-2\">76.0 - 85.0<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">  Teneur en compos\u00e9s volatils (wt%, max)<\/td><td class=\"column-2\">5<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">  Puret\u00e9 (wt%, min)<\/td><td class=\"column-2\">93.5<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">valeur du pH<\/td><td class=\"column-2\">5 ~ 7<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">  Teneur en cendres (wt%, max)<\/td><td class=\"column-2\">0.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-102 from cache --><\/div>\n<div><b data-path-to-node=\"16,0\" data-index-in-node=\"0\">Note<\/b>La viscosit\u00e9 est mesur\u00e9e sur une solution aqueuse de 4% \u00e0 20\u00b0C.<\/div>\n<div><\/div>\n<div>\n<h2>Caract\u00e9ristiques principales :<\/h2>\n<div>\n<ul>\n<li data-path-to-node=\"19,0,0\"><b data-path-to-node=\"19,0,0\" data-index-in-node=\"0\">Viscosit\u00e9 ultra-\u00e9lev\u00e9e<\/b>: Offre un pouvoir \u00e9paississant exceptionnel et une stabilit\u00e9 de solution remarquable, m\u00eame \u00e0 faibles concentrations.<\/li>\n<li data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\">Solubilit\u00e9<\/b>Soluble dans l&#039;eau. N\u00e9cessite d&#039;\u00eatre dissous dans <b data-path-to-node=\"19,1,0\" data-index-in-node=\"53\">eau chaude (au-dessus de 90\u00b0C)<\/b> pour garantir que les cha\u00eenes de haut poids mol\u00e9culaire soient enti\u00e8rement hydrat\u00e9es.<\/li>\n<li data-path-to-node=\"19,2,0\"><b data-path-to-node=\"19,2,0\" data-index-in-node=\"0\">collo\u00efde protecteur<\/b>: Offre une activit\u00e9 de surface et une protection d&#039;interface sup\u00e9rieures, ce qui le rend essentiel pour les proc\u00e9d\u00e9s de polym\u00e9risation en suspension.<\/li>\n<li data-path-to-node=\"19,3,0\"><b data-path-to-node=\"19,3,0\" data-index-in-node=\"0\">Propri\u00e9t\u00e9s cin\u00e9matographiques<\/b>: Forme un film r\u00e9sistant et flexible dot\u00e9 d&#039;excellentes propri\u00e9t\u00e9s de barri\u00e8re contre l&#039;hydrog\u00e8ne (<span class=\"math-inline\" data-math=\"H_2\" data-index-in-node=\"98\">$H_2$<\/span>), Azote (<span class=\"math-inline\" data-math=\"N_2\" data-index-in-node=\"114\">$N_2$<\/span>), et l&#039;oxyg\u00e8ne (<span class=\"math-inline\" data-math=\"O_2\" data-index-in-node=\"132\">$O_2$<\/span>).<\/li>\n<li data-path-to-node=\"19,4,0\"><b data-path-to-node=\"19,4,0\" data-index-in-node=\"0\">R\u00e9activit\u00e9<\/b>Capable de se r\u00e9ticuler avec de l&#039;acide borique ou de subir une ac\u00e9talisation pour une meilleure r\u00e9sistance \u00e0 l&#039;eau.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>Applications :<\/h2>\n<div>\n<p data-path-to-node=\"22\">Le PVA 26-88 est choisi pour les applications n\u00e9cessitant une viscosit\u00e9 et une stabilisation maximales\u00a0:<\/p>\n<ul>\n<li data-path-to-node=\"23,0,0\"><b data-path-to-node=\"23,0,0\" data-index-in-node=\"0\">Polym\u00e9risation en suspension (PVC\/PS)<\/b>Utilis\u00e9 comme agent dispersant primaire (agent de granulation de suspension) pour la production <b data-path-to-node=\"23,0,0\" data-index-in-node=\"116\">Chlorure de polyvinyle (PVC)<\/b> et <b data-path-to-node=\"23,0,0\" data-index-in-node=\"145\">Polystyr\u00e8ne (PS)<\/b> Granul\u00e9s. Il contr\u00f4le la distribution granulom\u00e9trique et la porosit\u00e9.<\/li>\n<li data-path-to-node=\"23,1,0\"><b data-path-to-node=\"23,1,0\" data-index-in-node=\"0\">\u00c9mulsions de PVAc<\/b>: Agit comme un collo\u00efde protecteur \u00e0 haute efficacit\u00e9 pour la polym\u00e9risation de l&#039;ac\u00e9tate de vinyle, am\u00e9liorant la stabilit\u00e9 et la viscosit\u00e9 de l&#039;\u00e9mulsion.<\/li>\n<li data-path-to-node=\"23,2,0\"><b data-path-to-node=\"23,2,0\" data-index-in-node=\"0\">\u00e9paississants<\/b>Largement utilis\u00e9 comme agent \u00e9paississant dans les peintures au latex, les rev\u00eatements de papier et les p\u00e2tes textiles en raison de son poids mol\u00e9culaire \u00e9lev\u00e9.<\/li>\n<li data-path-to-node=\"23,3,0\"><b data-path-to-node=\"23,3,0\" data-index-in-node=\"0\">Mat\u00e9riaux photosensibles<\/b>Composant cl\u00e9 dans la fabrication d&#039;agents et d&#039;\u00e9crans photosensibles fluorescents.<\/li>\n<li data-path-to-node=\"23,4,0\"><b data-path-to-node=\"23,4,0\" data-index-in-node=\"0\">Adh\u00e9sifs r\u00e9humidifiables<\/b>: Apporte la consistance et l&#039;adh\u00e9rence n\u00e9cessaires pour r\u00e9humidifier les colles.<\/li>\n<\/ul>\n<h2>Emballage:<\/h2>\n<ul>\n<li data-path-to-node=\"26,0,0\"><b data-path-to-node=\"26,0,0\" data-index-in-node=\"0\">Conditionnement<\/b>: 25 kg par sac (sac en papier kraft avec doublure en plastique).<\/li>\n<\/ul>\n<h2><strong><b>Produit<\/b><\/strong>\u00a0<strong><b>Stockage:<\/b><\/strong><\/h2>\n<ul>\n<li><b data-path-to-node=\"26,1,0\" data-index-in-node=\"0\">Stockage<\/b>\u00c0 conserver dans un endroit frais, sec et bien ventil\u00e9 pour \u00e9viter l&#039;agglom\u00e9ration et l&#039;absorption d&#039;humidit\u00e9.<\/li>\n<\/ul>\n<\/div>\n<h2>FAQ :<\/h2>\n<p data-path-to-node=\"29\"><b data-path-to-node=\"29\" data-index-in-node=\"0\">Q : Quelle est la diff\u00e9rence entre le PVA 24-88 et le PVA 26-88 ?<\/b><\/p>\n<p data-path-to-node=\"29\">A : La principale diff\u00e9rence est <b data-path-to-node=\"29\" data-index-in-node=\"85\">viscosit\u00e9 et masse mol\u00e9culaire<\/b>.<\/p>\n<ul data-path-to-node=\"30\">\n<li>\n<p data-path-to-node=\"30,0,0\"><b data-path-to-node=\"30,0,0\" data-index-in-node=\"0\">PVA 24-88<\/b>: La plage de viscosit\u00e9 est <b data-path-to-node=\"30,0,0\" data-index-in-node=\"30\">43,0 \u2013 65,0 mPa.s<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"30,1,0\"><b data-path-to-node=\"30,1,0\" data-index-in-node=\"0\">PVA 26-88<\/b>La viscosit\u00e9 est <b data-path-to-node=\"30,1,0\" data-index-in-node=\"24\">\u2265 60,0 mPa.s<\/b> (g\u00e9n\u00e9ralement plus \u00e9lev\u00e9). Le PVA 26-88 est utilis\u00e9 lorsque vous avez besoin d&#039;un effet \u00e9paississant maximal ou d&#039;un contr\u00f4le pr\u00e9cis de la taille des particules dans la production de PVC, ce que le 24-88 ne peut pas obtenir.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"31\"><b data-path-to-node=\"31\" data-index-in-node=\"0\">Q : Pourquoi utilise-t-on le PVA 26-88 dans la production de PVC ?<\/b><\/p>\n<p data-path-to-node=\"31\">A : Lors de la polym\u00e9risation en suspension du PVC, le PVA 26-88 agit comme agent dispersant. Son degr\u00e9 \u00e9lev\u00e9 de polym\u00e9risation et son hydrolyse partielle contribuent \u00e0 la formation d&#039;une membrane protectrice autour des gouttelettes de monom\u00e8re, emp\u00eachant leur coalescence et assurant une taille uniforme des particules de r\u00e9sine PVC.<\/p>\n<p data-path-to-node=\"32\"><b data-path-to-node=\"32\" data-index-in-node=\"0\">Q : Le PVA 26-88 est-il soluble dans l&#039;eau froide ?<\/b><\/p>\n<p data-path-to-node=\"32\">A : Non, en raison de son poids mol\u00e9culaire tr\u00e8s \u00e9lev\u00e9 (indiqu\u00e9 par une viscosit\u00e9 \u00e9lev\u00e9e), il n\u00e9cessite fortement <b data-path-to-node=\"32\" data-index-in-node=\"136\">eau chaude (90\u00b0C+)<\/b> et un temps d&#039;agitation suffisant pour dissoudre compl\u00e8tement.<\/p>\n<p data-path-to-node=\"30\"><b data-path-to-node=\"35\" data-index-in-node=\"0\">Vous recherchez du PVA \u00e0 ultra-haute viscosit\u00e9 ?\u00a0 <a href=\"https:\/\/rawchemicalmart.com\/fr\/contactez-nous\/\">Recherchez-nous<\/a>.\u00a0<\/b> Nous fournissons de l&#039;alcool polyvinylique 26-88 de qualit\u00e9 sup\u00e9rieure pour la fabrication de PVC et l&#039;\u00e9paississement industriel.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Polyvinyl Alcohol 26-88 (also known as PVA 2688 or 088-60) is an ultra-high viscosity, partially hydrolyzed grade polymer.\nWith a viscosity of \u2265 60.0 mPa.s, PVA 26-88 offers the highest molecular weight and thickening capability in the 88-series. It is specifically engineered for critical industrial processes such as suspension polymerization of PVC and Polystyrene, where superior protective colloid properties are required to control particle size and porosity.\n<\/p>","protected":false},"featured_media":12153,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":{"0":"post-12145","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-polyvinyl-alcohol-pva","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Polyvinyl Alcohol (PVA) 26-88 \/ 2688 | Ultra-High Viscosity Polymer - RawChemicalMart<\/title>\n<meta name=\"description\" content=\"Buy Polyvinyl Alcohol 26-88 (PVA 2688\/088-60). An ultra-high viscosity grade (\u2265 60.0 mPa.s) partially hydrolyzed polymer. The preferred suspension agent for PVC\/PS polymerization and heavy-duty thickeners.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rawchemicalmart.com\/fr\/produit\/alcool-polyvinylique-pva-26-88-ultra-haute-viscosite\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polyvinyl Alcohol (PVA) 26-88 \/ 2688 | Ultra-High Viscosity Polymer - RawChemicalMart\" \/>\n<meta property=\"og:description\" content=\"Buy Polyvinyl Alcohol 26-88 (PVA 2688\/088-60). An ultra-high viscosity grade (\u2265 60.0 mPa.s) partially hydrolyzed polymer. The preferred suspension agent for PVC\/PS polymerization and heavy-duty thickeners.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rawchemicalmart.com\/fr\/produit\/alcool-polyvinylique-pva-26-88-ultra-haute-viscosite\/\" \/>\n<meta property=\"og:site_name\" content=\"rawchemicalmart.com\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-23T06:49:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2688.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\\\/\",\"url\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\\\/\",\"name\":\"Polyvinyl Alcohol (PVA) 26-88 \\\/ 2688 | Ultra-High Viscosity Polymer - RawChemicalMart\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/rawchemicalmart.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Polyvinyl_alcohol_PVA_2688.jpg\",\"datePublished\":\"2026-01-23T03:06:02+00:00\",\"dateModified\":\"2026-01-23T06:49:36+00:00\",\"description\":\"Buy Polyvinyl Alcohol 26-88 (PVA 2688\\\/088-60). 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Polym\u00e8re partiellement hydrolys\u00e9 de viscosit\u00e9 ultra-\u00e9lev\u00e9e (\u2265 60,0 mPa\u00b7s). Agent de suspension de choix pour la polym\u00e9risation du PVC\/PS et \u00e9paississant haute performance.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/rawchemicalmart.com\/fr\/produit\/alcool-polyvinylique-pva-26-88-ultra-haute-viscosite\/","og_locale":"fr_FR","og_type":"article","og_title":"Polyvinyl Alcohol (PVA) 26-88 \/ 2688 | Ultra-High Viscosity Polymer - RawChemicalMart","og_description":"Buy Polyvinyl Alcohol 26-88 (PVA 2688\/088-60). An ultra-high viscosity grade (\u2265 60.0 mPa.s) partially hydrolyzed polymer. The preferred suspension agent for PVC\/PS polymerization and heavy-duty thickeners.","og_url":"https:\/\/rawchemicalmart.com\/fr\/produit\/alcool-polyvinylique-pva-26-88-ultra-haute-viscosite\/","og_site_name":"rawchemicalmart.com","article_modified_time":"2026-01-23T06:49:36+00:00","og_image":[{"width":1000,"height":1000,"url":"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2688.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/","url":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/","name":"Alcool polyvinylique (PVA) 26-88 \/ 2688 | Polym\u00e8re \u00e0 ultra-haute viscosit\u00e9 - RawChemicalMart","isPartOf":{"@id":"https:\/\/rawchemicalmart.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/#primaryimage"},"image":{"@id":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/#primaryimage"},"thumbnailUrl":"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2688.jpg","datePublished":"2026-01-23T03:06:02+00:00","dateModified":"2026-01-23T06:49:36+00:00","description":"Achetez de l&#039;alcool polyvinylique 26-88 (PVA 2688\/088-60). Polym\u00e8re partiellement hydrolys\u00e9 de viscosit\u00e9 ultra-\u00e9lev\u00e9e (\u2265 60,0 mPa\u00b7s). Agent de suspension de choix pour la polym\u00e9risation du PVC\/PS et \u00e9paississant haute performance.","breadcrumb":{"@id":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/#primaryimage","url":"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2688.jpg","contentUrl":"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2688.jpg","width":1000,"height":1000,"caption":"polyvinyl alcohol PVA 2688"},{"@type":"BreadcrumbList","@id":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/rawchemicalmart.com\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/rawchemicalmart.com\/shop\/"},{"@type":"ListItem","position":3,"name":"Polyvinyl Alcohol (PVA) 26-88 \/ 2688"}]},{"@type":"WebSite","@id":"https:\/\/rawchemicalmart.com\/#website","url":"https:\/\/rawchemicalmart.com\/","name":"rawchemicalmart.com","description":"Fournisseur leader de produits chimiques bruts","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/rawchemicalmart.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/rawchemicalmart.com\/fr\/wp-json\/wp\/v2\/product\/12145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rawchemicalmart.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/rawchemicalmart.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rawchemicalmart.com\/fr\/wp-json\/wp\/v2\/media\/12153"}],"wp:attachment":[{"href":"https:\/\/rawchemicalmart.com\/fr\/wp-json\/wp\/v2\/media?parent=12145"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/rawchemicalmart.com\/fr\/wp-json\/wp\/v2\/product_brand?post=12145"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/rawchemicalmart.com\/fr\/wp-json\/wp\/v2\/product_cat?post=12145"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/rawchemicalmart.com\/fr\/wp-json\/wp\/v2\/product_tag?post=12145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}