{"id":12148,"date":"2026-01-23T03:32:21","date_gmt":"2026-01-23T03:32:21","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?post_type=product&#038;p=12148"},"modified":"2026-01-23T06:46:22","modified_gmt":"2026-01-23T06:46:22","slug":"alcool-polyvinylique-pva-26-99-haute-viscosite-entierement-hydrolyse","status":"publish","type":"product","link":"https:\/\/rawchemicalmart.com\/fr\/produit\/alcool-polyvinylique-pva-26-99-haute-viscosite-entierement-hydrolyse\/","title":{"rendered":"Alcool polyvinylique (PVA) 26-99 \/ 2699"},"content":{"rendered":"<h2>Caract\u00e9ristiques:<\/h2>\n<div class=\"table-scroll-wrapper\">\n<table id=\"tablepress-103\" class=\"tablepress tablepress-id-103\">\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-103 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>\n<p data-path-to-node=\"19,0,0\"><b data-path-to-node=\"19,0,0\" data-index-in-node=\"0\">Solubilit\u00e9<\/b>Tr\u00e8s hydrophile, mais n\u00e9cessite <b data-path-to-node=\"19,0,0\" data-index-in-node=\"44\">eau chaude (au-dessus de 90\u00b0C)<\/b> Sa dissolution compl\u00e8te est due \u00e0 sa masse mol\u00e9culaire \u00e9lev\u00e9e et \u00e0 son hydrolyse totale. Il est insoluble dans la plupart des solvants organiques.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\">Propri\u00e9t\u00e9s cin\u00e9matographiques<\/b>Forme des films extr\u00eamement r\u00e9sistants dot\u00e9s d&#039;excellentes propri\u00e9t\u00e9s m\u00e9caniques et d&#039;une haute r\u00e9sistance \u00e0 la traction. Constitue une barri\u00e8re sup\u00e9rieure contre les gaz (<span class=\"math-inline\" data-math=\"H_2\" data-index-in-node=\"152\">$H_2$<\/span>, <span class=\"math-inline\" data-math=\"N_2\" data-index-in-node=\"157\">$N_2$<\/span>, <span class=\"math-inline\" data-math=\"O_2\" data-index-in-node=\"162\">$O_2$<\/span>).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,2,0\"><b data-path-to-node=\"19,2,0\" data-index-in-node=\"0\">Stabilit\u00e9 thermique<\/b>Stable jusqu&#039;\u00e0 130 \u00b0C. \u00c9tant totalement hydrolys\u00e9, il commence \u00e0 fondre vers cette temp\u00e9rature. <b data-path-to-node=\"19,2,0\" data-index-in-node=\"88\">230\u00b0C<\/b> et se d\u00e9composer au-dessus de 200 \u00b0C.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,3,0\"><b data-path-to-node=\"19,3,0\" data-index-in-node=\"0\">R\u00e9sistance<\/b>Offre une r\u00e9sistance robuste aux acides faibles, aux bases faibles et aux huiles.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,4,0\"><b data-path-to-node=\"19,4,0\" data-index-in-node=\"0\">R\u00e9activit\u00e9<\/b>Excellente capacit\u00e9 de r\u00e9ticulation avec l&#039;acide borique ou le formald\u00e9hyde (ac\u00e9talisation) pour cr\u00e9er des adh\u00e9sifs r\u00e9sistants \u00e0 l&#039;eau.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>Applications :<\/h2>\n<div>\n<p data-path-to-node=\"22\">Le PVA 26-99 est le liant privil\u00e9gi\u00e9 pour les applications \u00e0 haute r\u00e9sistance\u00a0:<\/p>\n<ul data-path-to-node=\"23\">\n<li>\n<p data-path-to-node=\"23,0,0\"><b data-path-to-node=\"23,0,0\" data-index-in-node=\"0\">Industrie de la construction<\/b>: largement utilis\u00e9 dans la production de <b data-path-to-node=\"23,0,0\" data-index-in-node=\"56\">colles de construction<\/b> (par exemple, la colle 107), les rev\u00eatements muraux int\u00e9rieurs\/ext\u00e9rieurs et les adh\u00e9sifs ac\u00e9talis\u00e9s.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,1,0\"><b data-path-to-node=\"23,1,0\" data-index-in-node=\"0\">Industrie de la c\u00e9ramique<\/b>: Agit comme un liant temporaire \u00e0 haute r\u00e9sistance pour <b data-path-to-node=\"23,1,0\" data-index-in-node=\"63\">collage c\u00e9ramique<\/b> et des billes d&#039;aluminium, offrant une excellente r\u00e9sistance \u00e0 cru avant la cuisson.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,2,0\"><b data-path-to-node=\"23,2,0\" data-index-in-node=\"0\">Fabrication de tubes en papier<\/b>Utilis\u00e9 dans l&#039;industrie des adh\u00e9sifs pour <b data-path-to-node=\"23,2,0\" data-index-in-node=\"60\">tubes en papier<\/b> et les noyaux o\u00f9 une forte adh\u00e9rence initiale et une r\u00e9sistance de liaison finale \u00e9lev\u00e9e sont requises.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,3,0\"><b data-path-to-node=\"23,3,0\" data-index-in-node=\"0\">Stabilisateur d&#039;\u00e9mulsion<\/b>: Utilis\u00e9 comme \u00e9paississant et stabilisant pour les \u00e9mulsions d&#039;ac\u00e9tate de vinyle (PVAc) et d&#039;ur\u00e9e-formald\u00e9hyde (UF).<\/p>\n<\/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 26-99 et le PVA 26-88 ?<\/b><\/p>\n<p data-path-to-node=\"29\">A : Les deux sont des grades de viscosit\u00e9 ultra-\u00e9lev\u00e9e (~60-80 mPa.s), mais ils diff\u00e8rent par <b data-path-to-node=\"29\" data-index-in-node=\"134\">hydrolyse<\/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 26-99 (enti\u00e8rement hydrolys\u00e9)<\/b>Meilleure r\u00e9sistance \u00e0 l&#039;eau, r\u00e9sistance \u00e0 la traction sup\u00e9rieure et point de fusion plus \u00e9lev\u00e9 (environ 230 \u00b0C). Id\u00e9al pour les colles de construction et la c\u00e9ramique.<\/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 (partiellement hydrolys\u00e9)<\/b>Meilleure solubilit\u00e9, flexibilit\u00e9 et activit\u00e9 de surface. Id\u00e9al pour la polym\u00e9risation en suspension du PVC.<\/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 26-99 en c\u00e9ramique ?<\/b><\/p>\n<p data-path-to-node=\"31\">A: En c\u00e9ramique, le PVA 26-99 sert de liant. Sa viscosit\u00e9 \u00e9lev\u00e9e lui conf\u00e8re une r\u00e9sistance \u00e0 cru exceptionnelle (r\u00e9sistance de la pi\u00e8ce c\u00e9ramique non cuite), \u00e9vitant ainsi la casse lors de la manipulation avant cuisson. Il s&#039;\u00e9vapore compl\u00e8tement \u00e0 la cuisson.<\/p>\n<p data-path-to-node=\"32\"><b data-path-to-node=\"32\" data-index-in-node=\"0\">Q : \u00c0 quel point est-il difficile de dissoudre le PVA 26-99 ?<\/b><\/p>\n<p data-path-to-node=\"32\">A : En raison de sa tr\u00e8s haute viscosit\u00e9 et de son hydrolyse compl\u00e8te, c&#039;est la qualit\u00e9 la plus difficile \u00e0 dissoudre. Vous devez utiliser <b data-path-to-node=\"32\" data-index-in-node=\"158\">eau chaude (90\u00b0C-95\u00b0C)<\/b> et agiter vigoureusement pendant une p\u00e9riode plus longue qu&#039;avec des grades de viscosit\u00e9 inf\u00e9rieurs comme le 17-99 afin d&#039;assurer une solution homog\u00e8ne.<\/p>\n<p><b data-path-to-node=\"35\" data-index-in-node=\"0\">Besoin de colle PVA haute r\u00e9sistance 26-99 ? <a href=\"https:\/\/rawchemicalmart.com\/fr\/contactez-nous\/\">Contactez-nous.<\/a><\/b>\u00a0Nous fournissons de l&#039;alcool polyvinylique 2699 \u00e0 tr\u00e8s haute viscosit\u00e9 pour le collage industriel intensif.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Polyvinyl Alcohol 26-99 (also known as PVA 2699 or 100-78) is a fully hydrolyzed, ultra-high viscosity grade polymer.\nWith a viscosity range of 76.0 &#8211; 85.0 mPa.s and a hydrolysis degree of 98.00 &#8211; 100.00 mol%, this grade offers the highest tensile strength and bonding power in the standard PVA series. It is engineered for heavy-duty industrial applications where maximum adhesion, water resistance, and film strength are critical.\n<\/p>","protected":false},"featured_media":12154,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":{"0":"post-12148","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>PolymerPolyvinyl Alcohol (PVA) 26-99 \/ 2699 | Ultra-High Viscosity &amp; Fully Hydrolyzed - RawChemicalMart<\/title>\n<meta name=\"description\" content=\"Buy Polyvinyl Alcohol 26-99 (PVA 2699\/100-78). An ultra-high viscosity (76-85 mPa.s), fully hydrolyzed polymer. 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Ideal for high-strength construction glues, ceramic binders, and paper tubes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rawchemicalmart.com\/fr\/produit\/alcool-polyvinylique-pva-26-99-haute-viscosite-entierement-hydrolyse\/\" \/>\n<meta property=\"og:site_name\" content=\"rawchemicalmart.com\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-23T06:46:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2699.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-26-99-high-viscosity-fully-hydrolyzed\\\/\",\"url\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\\\/\",\"name\":\"PolymerPolyvinyl Alcohol (PVA) 26-99 \\\/ 2699 | Ultra-High Viscosity & Fully Hydrolyzed - RawChemicalMart\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/rawchemicalmart.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Polyvinyl_alcohol_PVA_2699.jpg\",\"datePublished\":\"2026-01-23T03:32:21+00:00\",\"dateModified\":\"2026-01-23T06:46:22+00:00\",\"description\":\"Buy Polyvinyl Alcohol 26-99 (PVA 2699\\\/100-78). An ultra-high viscosity (76-85 mPa.s), fully hydrolyzed polymer. Ideal for high-strength construction glues, ceramic binders, and paper tubes.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\\\/#primaryimage\",\"url\":\"https:\\\/\\\/rawchemicalmart.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Polyvinyl_alcohol_PVA_2699.jpg\",\"contentUrl\":\"https:\\\/\\\/rawchemicalmart.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Polyvinyl_alcohol_PVA_2699.jpg\",\"width\":1000,\"height\":1000,\"caption\":\"polyvinyl alcohol PVA 2699\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\\\/#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) 26-99 \\\/ 2699\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/#website\",\"url\":\"https:\\\/\\\/rawchemicalmart.com\\\/\",\"name\":\"rawchemicalmart.com\",\"description\":\"Leading Raw Chemicals Supplier\",\"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\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Polym\u00e8re d&#039;alcool polyvinylique (PVA) 26-99 \/ 2699 | Viscosit\u00e9 ultra-\u00e9lev\u00e9e et enti\u00e8rement hydrolys\u00e9 - RawChemicalMart","description":"Achetez de l&#039;alcool polyvinylique 26-99 (PVA 2699\/100-78). Polym\u00e8re enti\u00e8rement hydrolys\u00e9, \u00e0 viscosit\u00e9 ultra-\u00e9lev\u00e9e (76-85 mPa\u00b7s). Id\u00e9al pour les colles de construction haute r\u00e9sistance, les liants c\u00e9ramiques et les tubes en carton.","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-26-99-haute-viscosite-entierement-hydrolyse\/","og_locale":"fr_FR","og_type":"article","og_title":"PolymerPolyvinyl Alcohol (PVA) 26-99 \/ 2699 | Ultra-High Viscosity & Fully Hydrolyzed - RawChemicalMart","og_description":"Buy Polyvinyl Alcohol 26-99 (PVA 2699\/100-78). An ultra-high viscosity (76-85 mPa.s), fully hydrolyzed polymer. Ideal for high-strength construction glues, ceramic binders, and paper tubes.","og_url":"https:\/\/rawchemicalmart.com\/fr\/produit\/alcool-polyvinylique-pva-26-99-haute-viscosite-entierement-hydrolyse\/","og_site_name":"rawchemicalmart.com","article_modified_time":"2026-01-23T06:46:22+00:00","og_image":[{"width":1000,"height":1000,"url":"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2699.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-26-99-high-viscosity-fully-hydrolyzed\/","url":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\/","name":"Polym\u00e8re d&#039;alcool polyvinylique (PVA) 26-99 \/ 2699 | Viscosit\u00e9 ultra-\u00e9lev\u00e9e et enti\u00e8rement hydrolys\u00e9 - RawChemicalMart","isPartOf":{"@id":"https:\/\/rawchemicalmart.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\/#primaryimage"},"image":{"@id":"https:\/\/rawchemicalmart.com\/product\/polyvinyl-alcohol-pva-26-99-high-viscosity-fully-hydrolyzed\/#primaryimage"},"thumbnailUrl":"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2699.jpg","datePublished":"2026-01-23T03:32:21+00:00","dateModified":"2026-01-23T06:46:22+00:00","description":"Achetez de l&#039;alcool polyvinylique 26-99 (PVA 2699\/100-78). Polym\u00e8re enti\u00e8rement hydrolys\u00e9, \u00e0 viscosit\u00e9 ultra-\u00e9lev\u00e9e (76-85 mPa\u00b7s). 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