{"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":"alcol-polivinilico-pva-2488","status":"publish","type":"product","link":"https:\/\/rawchemicalmart.com\/it\/prodotto\/alcol-polivinilico-pva-2488\/","title":{"rendered":"Alcol polivinilico (PVA) 24-88"},"content":{"rendered":"<h2>Specifiche:<\/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\">Articolo<\/th><th class=\"column-2\">Specificazione<\/th><th class=\"column-3\">Nota<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Nome del prodotto<\/td><td class=\"column-2\">Alcol polivinilico (PVA) 24-88<\/td><td class=\"column-3\"><\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Aspetto<\/td><td class=\"column-2\">Granuli\/polvere bianchi o leggermente gialli<\/td><td class=\"column-3\"><\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Grado di alcolisi<\/td><td class=\"column-2\">86,00 - 90,00 mol%<\/td><td class=\"column-3\">(Parzialmente idrolizzato)<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Viscosit\u00e0<\/td><td class=\"column-2\">43,0 - 65,0 mPa.s<\/td><td class=\"column-3\">(Alta viscosit\u00e0)<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Contenuto volatile<\/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\">Purezza<\/td><td class=\"column-2\">\u2265 93,5 wt%<\/td><td class=\"column-3\">(Valore calcolato)<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">Valore del 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\">Contenuto di cenere<\/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\">Nota<\/b>La viscosit\u00e0 viene misurata su una soluzione acquosa di 4%. La purezza \u00e8 un valore calcolato.<\/div>\n<h2>Applicazioni:<\/h2>\n<div>\n<p data-path-to-node=\"20\">Grazie alla sua elevata viscosit\u00e0 e alle sue spiccate propriet\u00e0 fisiche, il PVA 24-88 \u00e8 adatto per:<\/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\">Adesivi ad alta resistenza<\/span><\/b><span class=\"citation-31\">: Grazie alla sua elevata adesivit\u00e0<\/span><\/span><span data-path-to-node=\"21,0,1,2\">, \u00c8 ideale per colle per legno, incollaggi di carta e colle per ufficio ad alta resistenza dove \u00e8 richiesta una maggiore adesivit\u00e0.<\/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\">Colloidi protettivi<\/span><\/b><span class=\"citation-30\">Eccellente per l&#039;uso come stabilizzante nella polimerizzazione in emulsione (ad esempio, emulsioni VAE) grazie alle sue specifiche propriet\u00e0 colloidali protettive.<\/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\">Raccoglitori per l&#039;edilizia<\/b>Utilizzato nei materiali da costruzione per migliorare la flessibilit\u00e0 e l&#039;adesione della malta.<\/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\">Pellicole e rivestimenti<\/span><\/b><span class=\"citation-29\">Sfruttando la sua capacit\u00e0 di formare film flessibili e la resistenza a oli e solventi. <\/span><\/span><span data-path-to-node=\"21,3,1,2\"> per rivestimenti industriali.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2>Imballaggio:<\/h2>\n<p>25 kg per sacco.<\/p>\n<h2><strong><b>Prodotto<\/b><\/strong>\u00a0<strong><b>Magazzinaggio:<\/b><\/strong><\/h2>\n<p>Conservare in un luogo asciutto e ben ventilato per evitare l&#039;assorbimento di umidit\u00e0.<\/p>\n<\/div>\n<h2>Domande frequenti:<\/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\">D: Qual \u00e8 la principale differenza tra PVA 1788 e PVA 2488?<\/b><\/span><\/p>\n<p data-path-to-node=\"27\"><span data-path-to-node=\"27,0\"> A: La differenza principale \u00e8 <b data-path-to-node=\"27,0\" data-index-in-node=\"91\">viscosit\u00e0<\/b>. <\/span><span data-path-to-node=\"27,2\"><span class=\"citation-28\">Il PVA 2488 ha una viscosit\u00e0 significativamente pi\u00f9 elevata (<\/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\">) rispetto al PVA 1788 (19,5-32,0 mPa.s)<\/span><\/span><span data-path-to-node=\"27,4\">. Ci\u00f2 significa che il PVA 2488 offre una soluzione pi\u00f9 densa e una maggiore forza di adesione iniziale, risultando quindi pi\u00f9 adatto per adesivi ad alta resistenza, mentre il 1788 \u00e8 pi\u00f9 indicato per applicazioni che richiedono una maggiore fluidit\u00e0.<\/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\">D: Il PVA 24-88 \u00e8 completamente solubile in acqua?<\/b> <\/span><\/p>\n<p data-path-to-node=\"28\"><span data-path-to-node=\"28,0\">A: S\u00ec. <\/span><span data-path-to-node=\"28,2\"><span class=\"citation-27\">Con un grado di alcolisi tra <\/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\">, Si tratta di un grado parzialmente idrolizzato che si dissolve bene in acqua. Tuttavia, a causa della sua maggiore viscosit\u00e0, potrebbe richiedere un&#039;agitazione leggermente pi\u00f9 lunga o temperature pi\u00f9 elevate per dissolversi completamente rispetto ai gradi a viscosit\u00e0 inferiore.<\/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\">D: Cosa significa &quot;parzialmente alcolico&quot; ai fini della mia richiesta?<\/b><\/span><\/p>\n<p data-path-to-node=\"29\"><span data-path-to-node=\"29,0\"> A: \u201cParzialmente alcolizzato\u201d (o idrolizzato) significa che il polimero conserva alcuni gruppi acetato. <\/span><span data-path-to-node=\"29,2\"><span class=\"citation-26\">Questa specifica gamma (86-90%) conferisce al PVA 24-88 un&#039;eccellente adesione alle superfici idrofobiche (come le materie plastiche) e lo rende pi\u00f9 tensioattivo rispetto ai gradi completamente idrolizzati, motivo per cui \u00e8 eccellente come colloide protettivo.<\/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\">Hai bisogno di PVA ad alta viscosit\u00e0? <a href=\"https:\/\/rawchemicalmart.com\/it\/contattaci\/\">Contattaci<\/a>.<\/b> Forniamo alcol polivinilico 24-88 di alta qualit\u00e0 per applicazioni industriali in tutto il mondo.<\/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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Caratterizzato da un&#039;elevata viscosit\u00e0 (43-65 mPa.s) e da eccellenti propriet\u00e0 adesive. Ideale per adesivi ad alta resistenza e leganti per l&#039;edilizia. Visualizza la scheda tecnica.","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\/it\/prodotto\/alcol-polivinilico-pva-2488\/","og_locale":"it_IT","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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