{"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":"polyvinyl-alcohol-pva-26-88-ultra-high-viscosity","status":"publish","type":"product","link":"https:\/\/rawchemicalmart.com\/ar\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/","title":{"rendered":"\u0643\u062d\u0648\u0644 \u0627\u0644\u0628\u0648\u0644\u064a \u0641\u064a\u0646\u064a\u0644 (PVA) 26-88 \/ 2688"},"content":{"rendered":"<h2>\u062a\u062d\u062f\u064a\u062f:<\/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\">\u063a\u0631\u0636<\/th><th class=\"column-2\">\u0645\u0648\u0627\u0635\u0641\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">\u062f\u0631\u062c\u0629 \u0627\u0644\u062a\u062d\u0644\u0644 \u0627\u0644\u0643\u062d\u0648\u0644\u064a (mol%)<\/td><td class=\"column-2\">98.00 - 100<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">\u0627\u0644\u0644\u0632\u0648\u062c\u0629 (\u0645\u0644\u0644\u064a \u0628\u0627\u0633\u0643\u0627\u0644.\u062b\u0627\u0646\u064a\u0629)<\/td><td class=\"column-2\">76.0 - 85.0<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">  \u0627\u0644\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0645\u062a\u0637\u0627\u064a\u0631 (wt%\u060c \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649)<\/td><td class=\"column-2\">5<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">  \u0627\u0644\u0646\u0642\u0627\u0621 (\u0648\u0632\u0646 %\u060c \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649)<\/td><td class=\"column-2\">93.5<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">\u0642\u064a\u0645\u0629 \u0627\u0644\u0631\u0642\u0645 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646\u064a<\/td><td class=\"column-2\">5 ~ 7<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">  \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0631\u0645\u0627\u062f (\u0627\u0644\u0648\u0632\u0646 %\u060c \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649)<\/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\">\u0645\u0644\u062d\u0648\u0638\u0629<\/b>: \u064a\u062a\u0645 \u0642\u064a\u0627\u0633 \u0627\u0644\u0644\u0632\u0648\u062c\u0629 \u0639\u0644\u0649 \u0645\u062d\u0644\u0648\u0644 \u0645\u0627\u0626\u064a 4% \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 20 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629.<\/div>\n<div><\/div>\n<div>\n<h2>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629:<\/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\">Ultra-High Viscosity<\/b>: Provides exceptional thickening power and solution stability even at low concentrations.<\/li>\n<li data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\">\u0627\u0644\u0630\u0648\u0628\u0627\u0646\u064a\u0629<\/b>: Soluble in water. Requires dissolving in <b data-path-to-node=\"19,1,0\" data-index-in-node=\"53\">hot water (above 90\u00b0C)<\/b> to ensure the high molecular weight chains are fully hydrated.<\/li>\n<li data-path-to-node=\"19,2,0\"><b data-path-to-node=\"19,2,0\" data-index-in-node=\"0\">Protective Colloid<\/b>: Offers superior surface activity and interface protection, making it critical for suspension polymerization processes.<\/li>\n<li data-path-to-node=\"19,3,0\"><b data-path-to-node=\"19,3,0\" data-index-in-node=\"0\">\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0641\u064a\u0644\u0645<\/b>: Forms a tough, flexible film with excellent barrier properties against Hydrogen (<span class=\"math-inline\" data-math=\"H_2\" data-index-in-node=\"98\">$H_2$<\/span>), Nitrogen (<span class=\"math-inline\" data-math=\"N_2\" data-index-in-node=\"114\">$N_2$<\/span>), and Oxygen (<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\">Reactivity<\/b>: Capable of cross-linking with boric acid or undergoing acetalization for improved water resistance.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a:<\/h2>\n<div>\n<p data-path-to-node=\"22\">PVA 26-88 is chosen for applications requiring maximum viscosity and stabilization:<\/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\">Suspension Polymerization (PVC\/PS)<\/b>: Used as a primary dispersing agent (suspension granulating agent) for producing <b data-path-to-node=\"23,0,0\" data-index-in-node=\"116\">Polyvinyl Chloride (PVC)<\/b> \u0648 <b data-path-to-node=\"23,0,0\" data-index-in-node=\"145\">Polystyrene (PS)<\/b> granules. It controls particle size distribution and porosity.<\/li>\n<li data-path-to-node=\"23,1,0\"><b data-path-to-node=\"23,1,0\" data-index-in-node=\"0\">PVAc Emulsions<\/b>: Acts as a high-efficiency protective colloid for vinyl acetate polymerization, improving emulsion stability and viscosity.<\/li>\n<li data-path-to-node=\"23,2,0\"><b data-path-to-node=\"23,2,0\" data-index-in-node=\"0\">Thickeners<\/b>: Used widely as a thickening agent in latex paints, paper coatings, and textile pastes due to its high molecular weight.<\/li>\n<li data-path-to-node=\"23,3,0\"><b data-path-to-node=\"23,3,0\" data-index-in-node=\"0\">Photosensitive Materials<\/b>: Key component in manufacturing fluorescent photosensitive agents and screens.<\/li>\n<li data-path-to-node=\"23,4,0\"><b data-path-to-node=\"23,4,0\" data-index-in-node=\"0\">Re-wettable Adhesives<\/b>: Provides the necessary body and tack for remoistening glues.<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u0627\u0644\u062a\u063a\u0644\u064a\u0641:<\/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\">\u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u0627\u0644\u062a\u063a\u0644\u064a\u0641<\/b>: 25 kg per bag (Kraft paper bag with plastic liner).<\/li>\n<\/ul>\n<h2><strong><b>\u0645\u0646\u062a\u062c<\/b><\/strong>\u00a0<strong><b>\u062a\u062e\u0632\u064a\u0646:<\/b><\/strong><\/h2>\n<ul>\n<li><b data-path-to-node=\"26,1,0\" data-index-in-node=\"0\">\u062a\u062e\u0632\u064a\u0646<\/b>\u064a\u064f\u062d\u0641\u0638 \u0641\u064a \u0645\u0643\u0627\u0646 \u0628\u0627\u0631\u062f \u0648\u062c\u0627\u0641 \u0648\u062c\u064a\u062f \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0644\u0645\u0646\u0639 \u0627\u0644\u062a\u0643\u062a\u0644 \u0648\u0627\u0645\u062a\u0635\u0627\u0635 \u0627\u0644\u0631\u0637\u0648\u0628\u0629.<\/li>\n<\/ul>\n<\/div>\n<h2>\u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a:<\/h2>\n<p data-path-to-node=\"29\"><b data-path-to-node=\"29\" data-index-in-node=\"0\">Q: What is the difference between PVA 24-88 and PVA 26-88?<\/b><\/p>\n<p data-path-to-node=\"29\">A: The main difference is <b data-path-to-node=\"29\" data-index-in-node=\"85\">viscosity and molecular weight<\/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>: Viscosity range is <b data-path-to-node=\"30,0,0\" data-index-in-node=\"30\">43.0 &#8211; 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>: Viscosity is <b data-path-to-node=\"30,1,0\" data-index-in-node=\"24\">\u2265 60.0 mPa.s<\/b> (typically higher). PVA 26-88 is used when you need the absolute maximum thickening effect or specific particle size control in PVC production that 24-88 cannot achieve.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"31\"><b data-path-to-node=\"31\" data-index-in-node=\"0\">Q: Why is PVA 26-88 used in PVC production?<\/b><\/p>\n<p data-path-to-node=\"31\">A: In PVC suspension polymerization, PVA 26-88 acts as a dispersing agent. Its high degree of polymerization and partial hydrolysis help form a protective membrane around monomer droplets, preventing coalescence and ensuring uniform PVC resin particle size.<\/p>\n<p data-path-to-node=\"32\"><b data-path-to-node=\"32\" data-index-in-node=\"0\">Q: Is PVA 26-88 soluble in cold water?<\/b><\/p>\n<p data-path-to-node=\"32\">A: No, due to its very high molecular weight (indicated by high viscosity), it strongly requires <b data-path-to-node=\"32\" data-index-in-node=\"136\">hot water (90\u00b0C+)<\/b> and sufficient agitation time to dissolve completely.<\/p>\n<p data-path-to-node=\"30\"><b data-path-to-node=\"35\" data-index-in-node=\"0\">Looking for Ultra-High Viscosity PVA?\u00a0 <a href=\"https:\/\/rawchemicalmart.com\/ar\/%d8%a7%d8%aa%d8%b5%d9%84-%d8%a8%d9%86%d8%a7\/\">Rearch out to us<\/a>.\u00a0<\/b> We supply premium Polyvinyl Alcohol 26-88 for PVC manufacturing and industrial thickening.<\/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\/ar\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\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\/ar\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/\" \/>\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=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u062f\u0642\u064a\u0642\u062a\u0627\u0646\" \/>\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). 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.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\\\/#breadcrumb\"},\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@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\":\"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\":\"ar\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Polyvinyl Alcohol (PVA) 26-88 \/ 2688 | Ultra-High Viscosity Polymer - RawChemicalMart","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.","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\/ar\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/","og_locale":"ar_AR","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\/ar\/product\/polyvinyl-alcohol-pva-26-88-ultra-high-viscosity\/","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":{"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631":"\u062f\u0642\u064a\u0642\u062a\u0627\u0646"},"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":"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). An ultra-high viscosity grade (\u2265 60.0 mPa.s) partially hydrolyzed polymer. 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