{"id":12108,"date":"2026-01-21T13:30:12","date_gmt":"2026-01-21T13:30:12","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?post_type=product&#038;p=12108"},"modified":"2026-05-08T03:32:08","modified_gmt":"2026-05-08T03:32:08","slug":"alcool-polivinilico-pva-2488","status":"publish","type":"product","link":"https:\/\/rawchemicalmart.com\/pt\/produto\/alcool-polivinilico-pva-2488\/","title":{"rendered":"\u00c1lcool polivin\u00edlico (PVA) 24-88"},"content":{"rendered":"<h2>Especifica\u00e7\u00f5es:<\/h2>\n<div class=\"table-scroll-wrapper\">\n<table id=\"tablepress-97\" class=\"tablepress tablepress-id-97\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Item<\/th><th class=\"column-2\">Especifica\u00e7\u00e3o<\/th><th class=\"column-3\">Observa\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Nome do produto<\/td><td class=\"column-2\">\u00c1lcool polivin\u00edlico (PVA) 24-88<\/td><td class=\"column-3\"><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Apar\u00eancia<\/td><td class=\"column-2\">Gr\u00e2nulos\/p\u00f3 brancos ou ligeiramente amarelados<\/td><td class=\"column-3\"><\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Grau de alcoolismo<\/td><td class=\"column-2\">86,00 - 90,00 mol%<\/td><td class=\"column-3\">(Parcialmente Hidrolisado)<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Viscosidade<\/td><td class=\"column-2\">43,0 - 65,0 mPa.s<\/td><td class=\"column-3\">(Alta Viscosidade)<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Conte\u00fado vol\u00e1til<\/td><td class=\"column-2\">\u2264 5,0 wt%<\/td><td class=\"column-3\"><\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">Pureza<\/td><td class=\"column-2\">\u2265 93,5 wt%<\/td><td class=\"column-3\">(Valor calculado)<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">Valor de pH<\/td><td class=\"column-2\">5 ~ 7<\/td><td class=\"column-3\"><\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">Conte\u00fado de cinzas<\/td><td class=\"column-2\">\u2264 0,5 wt%<\/td><td class=\"column-3\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-97 from cache --><\/div>\n<div><b data-path-to-node=\"21,0\" data-index-in-node=\"0\">Observa\u00e7\u00e3o<\/b>A viscosidade \u00e9 medida em uma solu\u00e7\u00e3o aquosa de 4%. A pureza \u00e9 um valor calculado.<\/div>\n<h2>Aplica\u00e7\u00f5es:<\/h2>\n<div>\n<p data-path-to-node=\"20\">Devido \u00e0 sua alta viscosidade e fortes propriedades f\u00edsicas, o PVA 24-88 \u00e9 adequado para:<\/p>\n<ul data-path-to-node=\"21\">\n<li>\n<p data-path-to-node=\"21,0,1\"><span data-path-to-node=\"21,0,1,0\"><b data-path-to-node=\"21,0,1,0\" data-index-in-node=\"0\"><span class=\"citation-31\">Adesivos de alta resist\u00eancia<\/span><\/b><span class=\"citation-31\">: Devido \u00e0 sua adesividade superior<\/span><\/span><span data-path-to-node=\"21,0,1,2\">, \u00c9 ideal para cola de madeira, colagem de papel e pastas de escrit\u00f3rio de alta resist\u00eancia, onde \u00e9 necess\u00e1ria maior ader\u00eancia.<\/span><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,1\"><span data-path-to-node=\"21,1,1,0\"><b data-path-to-node=\"21,1,1,0\" data-index-in-node=\"0\"><span class=\"citation-30\">Coloides protetores<\/span><\/b><span class=\"citation-30\">Excelente para uso como estabilizador em polimeriza\u00e7\u00e3o em emuls\u00e3o (por exemplo, emuls\u00f5es VAE) devido \u00e0s suas propriedades coloidais protetoras espec\u00edficas.<\/span><\/span><span data-path-to-node=\"21,1,1,2\">.<\/span><\/p>\n<\/li>\n<li><b data-path-to-node=\"21,2,0\" data-index-in-node=\"0\">Pastas de constru\u00e7\u00e3o<\/b>Utilizado em materiais de constru\u00e7\u00e3o para melhorar a flexibilidade e a ader\u00eancia da argamassa.<\/li>\n<li>\n<p data-path-to-node=\"21,3,1\"><span data-path-to-node=\"21,3,1,0\"><b data-path-to-node=\"21,3,1,0\" data-index-in-node=\"0\"><span class=\"citation-29\">Filme e Revestimento<\/span><\/b><span class=\"citation-29\">Aproveitando sua flexibilidade na forma\u00e7\u00e3o de pel\u00edcula e resist\u00eancia a \u00f3leos e solventes. <\/span><\/span><span data-path-to-node=\"21,3,1,2\"> para revestimentos industriais.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2>Embalagem:<\/h2>\n<p>25 kg por saco.<\/p>\n<h2><strong><b>Produto<\/b><\/strong>\u00a0<strong><b>Armazenar:<\/b><\/strong><\/h2>\n<p>Conservar em local seco e bem ventilado para evitar a absor\u00e7\u00e3o de umidade.<\/p>\n<\/div>\n<h2>PERGUNTAS FREQUENTES:<\/h2>\n<p data-path-to-node=\"27\"><span data-path-to-node=\"27,0\"><b data-path-to-node=\"27,0\" data-index-in-node=\"0\">P: Qual \u00e9 a principal diferen\u00e7a entre PVA 1788 e PVA 2488?<\/b><\/span><\/p>\n<p data-path-to-node=\"27\"><span data-path-to-node=\"27,0\"> A: A principal diferen\u00e7a \u00e9 <b data-path-to-node=\"27,0\" data-index-in-node=\"91\">viscosidade<\/b>. <\/span><span data-path-to-node=\"27,2\"><span class=\"citation-28\">O PVA 2488 possui uma viscosidade significativamente maior (<\/span><b data-path-to-node=\"27,2\" data-index-in-node=\"47\"><span class=\"citation-28\">43,0-65,0 mPa.s<\/span><\/b><span class=\"citation-28\">) comparado ao PVA 1788 (19,5-32,0 mPa.s)<\/span><\/span><span data-path-to-node=\"27,4\">. Isso significa que o PVA 2488 proporciona uma solu\u00e7\u00e3o mais espessa e uma maior resist\u00eancia inicial de ades\u00e3o, sendo mais adequado para adesivos de alta resist\u00eancia, enquanto o 1788 \u00e9 melhor para aplica\u00e7\u00f5es que exigem maior fluidez.<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<p>&nbsp;<\/p>\n<p data-path-to-node=\"28\"><span data-path-to-node=\"28,0\"><b data-path-to-node=\"28,0\" data-index-in-node=\"0\">P: O PVA 24-88 \u00e9 totalmente sol\u00favel em \u00e1gua?<\/b> <\/span><\/p>\n<p data-path-to-node=\"28\"><span data-path-to-node=\"28,0\">A: Sim. <\/span><span data-path-to-node=\"28,2\"><span class=\"citation-27\">Com um grau de alcoolismo entre <\/span><b data-path-to-node=\"28,2\" data-index-in-node=\"37\"><span class=\"citation-27\">86,00-90,00 mol%<\/span><\/b><\/span><span data-path-to-node=\"28,4\">, Trata-se de um grau parcialmente hidrolisado que se dissolve bem em \u00e1gua. No entanto, devido \u00e0 sua maior viscosidade, pode exigir agita\u00e7\u00e3o um pouco mais prolongada ou temperaturas mais elevadas para se dissolver completamente em compara\u00e7\u00e3o com graus de viscosidade mais baixa.<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<p>&nbsp;<\/p>\n<p data-path-to-node=\"29\"><span data-path-to-node=\"29,0\"><b data-path-to-node=\"29,0\" data-index-in-node=\"0\">P: O que significa &quot;parcialmente alcoolizado&quot; para a minha candidatura?<\/b><\/span><\/p>\n<p data-path-to-node=\"29\"><span data-path-to-node=\"29,0\"> A: \u201cParcialmente alcoolizado\u201d (ou hidrolisado) significa que o pol\u00edmero ret\u00e9m alguns grupos acetato. <\/span><span data-path-to-node=\"29,2\"><span class=\"citation-26\">Essa faixa espec\u00edfica (86-90%) confere ao PVA 24-88 excelente ades\u00e3o a superf\u00edcies hidrof\u00f3bicas (como pl\u00e1sticos) e o torna mais tensoativo do que as vers\u00f5es totalmente hidrolisadas, raz\u00e3o pela qual \u00e9 excelente como coloide protetor.<\/span><\/span><span data-path-to-node=\"29,4\">.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p data-path-to-node=\"29\"><b data-path-to-node=\"32\" data-index-in-node=\"0\">Precisa de PVA de alta viscosidade? <a href=\"https:\/\/rawchemicalmart.com\/pt\/contate-nos\/\">Contate-nos<\/a>.<\/b> Fornecemos \u00e1lcool polivin\u00edlico 24-88 de alta qualidade para aplica\u00e7\u00f5es industriais em todo o mundo.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Polyvinyl Alcohol 24-88 is a water-soluble, environmentally friendly polymer that exhibits properties intermediate between plastics and rubbers. Available as white or slightly yellow granules or powder, this grade is characterized by its higher molecular weight and viscosity compared to standard grades like 17-88.\nPVA 24-88 is engineered for applications requiring superior adhesiveness and protective colloid properties. It offers excellent film flexibility, abrasion resistance, and strong barrier properties against gas and oil. Its unique composition ensures thermal stability and smoothness in final formulations.\n<\/p>","protected":false},"featured_media":12117,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":{"0":"post-12108","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) 24-88 | High Viscosity Polymer Supplier - RawChemicalMart<\/title>\n<meta name=\"description\" content=\"Purchase Polyvinyl Alcohol 24-88 (PVA 2488) directly from the manufacturer. Features high viscosity (43-65 mPa.s) and excellent adhesive properties. Ideal for heavy-duty adhesives and construction binders. 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Apresenta alta viscosidade (43-65 mPa.s) e excelentes propriedades adesivas. Ideal para adesivos de alta resist\u00eancia e ligantes para constru\u00e7\u00e3o civil. Consulte a Ficha T\u00e9cnica.","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\/pt\/produto\/alcool-polivinilico-pva-2488\/","og_locale":"pt_BR","og_type":"article","og_title":"Polyvinyl Alcohol (PVA) 24-88 | High Viscosity Polymer Supplier - RawChemicalMart","og_description":"Purchase Polyvinyl Alcohol 24-88 (PVA 2488) directly from the manufacturer. Features high viscosity (43-65 mPa.s) and excellent adhesive properties. Ideal for heavy-duty adhesives and construction binders. 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