{"id":12141,"date":"2026-01-23T02:36:29","date_gmt":"2026-01-23T02:36:29","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?post_type=product&#038;p=12141"},"modified":"2026-01-23T06:48:30","modified_gmt":"2026-01-23T06:48:30","slug":"polyvinyl-alcohol-pva-20-88-medium-viscosity","status":"publish","type":"product","link":"https:\/\/rawchemicalmart.com\/ru\/product\/polyvinyl-alcohol-pva-20-88-medium-viscosity\/","title":{"rendered":"\u041f\u043e\u043b\u0438\u0432\u0438\u043d\u0438\u043b\u043e\u0432\u044b\u0439 \u0441\u043f\u0438\u0440\u0442 (\u041f\u0412\u0410) 20-88 \/ 2088"},"content":{"rendered":"<h2>\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438:<\/h2>\n<div class=\"table-scroll-wrapper\">\n<table id=\"tablepress-101\" class=\"tablepress tablepress-id-101\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">\u042d\u043b\u0435\u043c\u0435\u043d\u0442<\/th><th class=\"column-2\">\u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">\u0421\u0442\u0435\u043f\u0435\u043d\u044c \u0430\u043b\u043a\u043e\u0433\u043e\u043b\u0438\u0437\u0430 (\u043c\u043e\u043b\u044c1\u04223\u0422)<\/td><td class=\"column-2\">86.00 - 90.00<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">\u0412\u044f\u0437\u043a\u043e\u0441\u0442\u044c (\u043c\u041f\u0430\u00b7\u0441)<\/td><td class=\"column-2\">28.0 - 43.0<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">  \u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 \u043b\u0435\u0442\u0443\u0447\u0438\u0445 \u0432\u0435\u0449\u0435\u0441\u0442\u0432 (wt%, \u043c\u0430\u043a\u0441.)<\/td><td class=\"column-2\">5<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">  \u0427\u0438\u0441\u0442\u043e\u0442\u0430 (wt%, \u043c\u0438\u043d)<\/td><td class=\"column-2\">93.5<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">\u0417\u043d\u0430\u0447\u0435\u043d\u0438\u0435 pH<\/td><td class=\"column-2\">5 ~ 7<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">  \u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 \u0437\u043e\u043b\u044b (wt%, \u043c\u0430\u043a\u0441.)<\/td><td class=\"column-2\">0.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-101 from cache --><\/div>\n<div><b data-path-to-node=\"16,0\" data-index-in-node=\"0\">\u041f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u0435<\/b>\u0412\u044f\u0437\u043a\u043e\u0441\u0442\u044c \u0438\u0437\u043c\u0435\u0440\u044f\u0435\u0442\u0441\u044f \u043d\u0430 \u0432\u043e\u0434\u043d\u043e\u043c \u0440\u0430\u0441\u0442\u0432\u043e\u0440\u0435 4% \u043f\u0440\u0438 20 \u00b0C.<\/div>\n<div><\/div>\n<div>\n<h2>\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438:<\/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\">\u0420\u0430\u0441\u0442\u0432\u043e\u0440\u0438\u043c\u043e\u0441\u0442\u044c<\/b>: Easily soluble in water. While it can dissolve slowly at room temperature, it is recommended to dissolve in <b data-path-to-node=\"19,0,0\" data-index-in-node=\"120\">hot water above 85\u00b0C<\/b> for efficiency.<\/p>\n<ul data-path-to-node=\"19,0,1\">\n<li>\n<p data-path-to-node=\"19,0,1,0,0\"><i data-path-to-node=\"19,0,1,0,0\" data-index-in-node=\"0\">Processing Tip<\/i>: Foam may be generated during dissolution; adding a defoaming agent is recommended.<\/p>\n<\/li>\n<\/ul>\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\">\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043f\u043b\u0430\u0432\u043b\u0435\u043d\u0438\u044f<\/b>: As a partially hydrolyzed grade, it begins to melt around <b data-path-to-node=\"19,1,0\" data-index-in-node=\"73\">180-190\u00b0C<\/b> and decomposes above 200\u00b0C.<\/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\">\u0410\u0434\u0433\u0435\u0437\u0438\u044f<\/b>: Exhibits excellent bonding strength not only to hydrophilic materials (cellulose, paper) but also to hydrophobic fibers.<\/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\">\u041a\u0438\u043d\u043e\u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/b>: Forms flexible, tough films with excellent barrier properties against gases.<\/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\">\u0421\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c<\/b>: Compatible with starch, gums, and other emulsions.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f:<\/h2>\n<div>\n<ul>\n<li>\n<p data-path-to-node=\"22,0,0\"><b data-path-to-node=\"22,0,0\" data-index-in-node=\"0\">Coated Abrasives &amp; Molds<\/b>: Specifically used for <b data-path-to-node=\"22,0,0\" data-index-in-node=\"48\">base fabric stiffening<\/b> and reinforcement in the abrasives industry (e.g., sandpaper backing).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,1,0\"><b data-path-to-node=\"22,1,0\" data-index-in-node=\"0\">\u041a\u043b\u0435\u0438<\/b>: Ideal for formulating <b data-path-to-node=\"22,1,0\" data-index-in-node=\"33\">re-wettable adhesives<\/b> (remoistening glues) used in postage stamps, envelopes, and paper tapes.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,2,0\"><b data-path-to-node=\"22,2,0\" data-index-in-node=\"0\">\u0422\u0435\u043a\u0441\u0442\u0438\u043b\u044c\u043d\u0430\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/b>: Used in fiber processing for short fibers and long filaments to improve weaving efficiency.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,3,0\"><b data-path-to-node=\"22,3,0\" data-index-in-node=\"0\">\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u043f\u043b\u0435\u043d\u043a\u0438<\/b>: Used as a raw material for manufacturing water-soluble films.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,4,0\"><b data-path-to-node=\"22,4,0\" data-index-in-node=\"0\">Stabilizer<\/b>: Functions as a protective colloid in the polymerization of Vinyl Acetate (PVAc) emulsions.<\/p>\n<\/li>\n<\/ul>\n<h2>\u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430:<\/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\">\u0423\u043f\u0430\u043a\u043e\u0432\u043a\u0430<\/b>: 25 \u043a\u0433 \u0432 \u043c\u0435\u0448\u043a\u0435.<\/li>\n<li data-path-to-node=\"26,1,0\"><b data-path-to-node=\"26,1,0\" data-index-in-node=\"0\">\u0425\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435<\/b>\u0425\u0440\u0430\u043d\u0438\u0442\u044c \u0432 \u043f\u0440\u043e\u0445\u043b\u0430\u0434\u043d\u043e\u043c, \u0441\u0443\u0445\u043e\u043c \u0438 \u0445\u043e\u0440\u043e\u0448\u043e \u043f\u0440\u043e\u0432\u0435\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u043e\u043c \u043c\u0435\u0441\u0442\u0435, \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0442\u0438\u0442\u044c \u0441\u043b\u0438\u043f\u0430\u043d\u0438\u0435 \u0438 \u0432\u043f\u0438\u0442\u044b\u0432\u0430\u043d\u0438\u0435 \u0432\u043b\u0430\u0433\u0438.<\/li>\n<\/ul>\n<h2><strong><b>\u041f\u0440\u043e\u0434\u0443\u043a\u0442<\/b><\/strong>\u00a0<strong><b>\u0425\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435:<\/b><\/strong><\/h2>\n<p>\u0425\u0440\u0430\u043d\u0438\u0442\u044c \u0432 \u0441\u0443\u0445\u043e\u043c, \u0445\u043e\u0440\u043e\u0448\u043e \u043f\u0440\u043e\u0432\u0435\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u043e\u043c \u043c\u0435\u0441\u0442\u0435, \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0442\u0438\u0442\u044c \u0432\u043f\u0438\u0442\u044b\u0432\u0430\u043d\u0438\u0435 \u0432\u043b\u0430\u0433\u0438.<\/p>\n<\/div>\n<h2>\u0427\u0410\u0421\u0422\u041e \u0417\u0410\u0414\u0410\u0412\u0410\u0415\u041c\u042b\u0415 \u0412\u041e\u041f\u0420\u041e\u0421\u042b:<\/h2>\n<p data-path-to-node=\"28\"><b data-path-to-node=\"28\" data-index-in-node=\"0\">Q: When should I choose PVA 20-88 over PVA 17-88?<\/b><\/p>\n<p data-path-to-node=\"28\">A: You should choose <b data-path-to-node=\"28\" data-index-in-node=\"71\">PVA 20-88<\/b> when you need slightly higher viscosity (<b data-path-to-node=\"28\" data-index-in-node=\"122\">28-43 mPa.s<\/b>) and stronger bonding strength than what 17-88 (19-32 mPa.s) can offer. It is ideal for applications where 17-88 is too thin or runny, such as in fabric stiffening or vertical adhesive applications.<\/p>\n<p data-path-to-node=\"29\"><b data-path-to-node=\"29\" data-index-in-node=\"0\">Q: Does PVA 20-88 foam during dissolving?<\/b><\/p>\n<p data-path-to-node=\"29\">A: Yes, like many partially hydrolyzed grades, it can generate foam during the dissolution process. We recommend adding a small amount of <b data-path-to-node=\"29\" data-index-in-node=\"180\">defoaming agent<\/b> (antifoam) during the heating process to ensure a clear, bubble-free solution.<\/p>\n<p data-path-to-node=\"30\"><b data-path-to-node=\"30\" data-index-in-node=\"0\">Q: What is the melting temperature of PVA 20-88?<\/b><\/p>\n<p data-path-to-node=\"30\">A: Unlike fully hydrolyzed grades which melt at higher temperatures (~230\u00b0C), PVA 20-88 begins to melt at a lower range of <b data-path-to-node=\"30\" data-index-in-node=\"172\">180-190\u00b0C<\/b>. This lower melting point can be advantageous in certain thermoplastic processing applications.<\/p>\n<p data-path-to-node=\"30\"><b data-path-to-node=\"33\" data-index-in-node=\"0\">Need Medium-High Viscosity PVA? <a href=\"https:\/\/rawchemicalmart.com\/ru\/%d1%81%d0%b2%d1%8f%d0%b7%d0%b0%d1%82%d1%8c%d1%81%d1%8f-%d1%81-%d0%bd%d0%b0%d0%bc%d0%b8\/\">\u041f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0446\u0435\u043d\u043e\u0432\u043e\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435<\/a>.<\/b> We supply premium Polyvinyl Alcohol 20-88 for specialized industrial applications.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Polyvinyl Alcohol 20-88 (also known as PVA 2088 or 088-35) is a partially hydrolyzed grade polymer characterized by a unique medium-high viscosity range.\nWith a viscosity of 28.0 &#8211; 43.0 mPa.s, PVA 20-88 offers stronger initial tack and film thickness compared to standard 17-88 grades, while maintaining better flow properties than high-viscosity 24-88 grades. This balance makes it the preferred choice for industrial applications requiring precise rheological control, such as stiffening agents for abrasives and re-wettable adhesives.\n<\/p>","protected":false},"featured_media":12152,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":{"0":"post-12141","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) 20-88 \/ 2088 | Medium-High Viscosity - RawChemicalMart<\/title>\n<meta name=\"description\" content=\"Buy Polyvinyl Alcohol 20-88 (PVA 2088\/088-35). A partially hydrolyzed grade with medium-high viscosity (28-43 mPa.s). Ideal for textile sizing, abrasive backings, and re-wettable adhesives. View TDS.\" \/>\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\/ru\/product\/polyvinyl-alcohol-pva-20-88-medium-viscosity\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polyvinyl Alcohol (PVA) 20-88 \/ 2088 | Medium-High Viscosity - RawChemicalMart\" \/>\n<meta property=\"og:description\" content=\"Buy Polyvinyl Alcohol 20-88 (PVA 2088\/088-35). A partially hydrolyzed grade with medium-high viscosity (28-43 mPa.s). Ideal for textile sizing, abrasive backings, and re-wettable adhesives. View TDS.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rawchemicalmart.com\/ru\/product\/polyvinyl-alcohol-pva-20-88-medium-viscosity\/\" \/>\n<meta property=\"og:site_name\" content=\"rawchemicalmart.com\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-23T06:48:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/rawchemicalmart.com\/wp-content\/uploads\/2026\/01\/Polyvinyl_alcohol_PVA_2088.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=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 \u043c\u0438\u043d\u0443\u0442\u044b\" \/>\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-20-88-medium-viscosity\\\/\",\"url\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-20-88-medium-viscosity\\\/\",\"name\":\"Polyvinyl Alcohol (PVA) 20-88 \\\/ 2088 | Medium-High Viscosity - RawChemicalMart\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-20-88-medium-viscosity\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/rawchemicalmart.com\\\/product\\\/polyvinyl-alcohol-pva-20-88-medium-viscosity\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/rawchemicalmart.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/Polyvinyl_alcohol_PVA_2088.jpg\",\"datePublished\":\"2026-01-23T02:36:29+00:00\",\"dateModified\":\"2026-01-23T06:48:30+00:00\",\"description\":\"Buy Polyvinyl Alcohol 20-88 (PVA 2088\\\/088-35). A partially hydrolyzed grade with medium-high viscosity (28-43 mPa.s). Ideal for textile sizing, abrasive backings, and re-wettable adhesives. 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A partially hydrolyzed grade with medium-high viscosity (28-43 mPa.s). Ideal for textile sizing, abrasive backings, and re-wettable adhesives. View TDS.","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\/ru\/product\/polyvinyl-alcohol-pva-20-88-medium-viscosity\/","og_locale":"ru_RU","og_type":"article","og_title":"Polyvinyl Alcohol (PVA) 20-88 \/ 2088 | Medium-High Viscosity - RawChemicalMart","og_description":"Buy Polyvinyl Alcohol 20-88 (PVA 2088\/088-35). A partially hydrolyzed grade with medium-high viscosity (28-43 mPa.s). Ideal for textile sizing, abrasive backings, and re-wettable adhesives. 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