{"id":12136,"date":"2026-01-23T02:02:31","date_gmt":"2026-01-23T02:02:31","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?post_type=product&#038;p=12136"},"modified":"2026-01-23T06:47:40","modified_gmt":"2026-01-23T06:47:40","slug":"alcol-polivinilico-pva-17-99-completamente-idrolizzato","status":"publish","type":"product","link":"https:\/\/rawchemicalmart.com\/it\/prodotto\/alcol-polivinilico-pva-17-99-completamente-idrolizzato\/","title":{"rendered":"Alcol polivinilico (PVA) 17-99 \/ 100-27"},"content":{"rendered":"<h2>Specifiche:<\/h2>\n<div class=\"table-scroll-wrapper\">\n<table id=\"tablepress-100\" class=\"tablepress tablepress-id-100\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Articolo<\/th><th class=\"column-2\">Specificazione<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Grado di alcolisi (mol%)<\/td><td class=\"column-2\">98.00 - 100.00<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">  Viscosit\u00e0 (mPa\u00b7s) <br \/>\n<\/td><td class=\"column-2\">21.0 - 33.0<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">  Contenuto volatile (wt%, max)<\/td><td class=\"column-2\">5<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">  Purezza (wt%, min)<\/td><td class=\"column-2\">93.5<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Valore del pH<\/td><td class=\"column-2\">5 ~ 7<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">  Contenuto di ceneri (peso %, massimo)<\/td><td class=\"column-2\">0.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-100 from cache --><\/div>\n<div><b data-path-to-node=\"16,0\" data-index-in-node=\"0\">Nota<\/b>La viscosit\u00e0 viene misurata su una soluzione acquosa di 4% a 20 \u00b0C.<\/div>\n<div><\/div>\n<div>\n<h2>Caratteristiche principali:<\/h2>\n<div>\n<ul>\n<li data-path-to-node=\"20,0,0\"><span data-path-to-node=\"20,0,0,0\"><b data-path-to-node=\"20,0,0,0\" data-index-in-node=\"0\">Solubilit\u00e0<\/b>: Il PVA 17-99 ha una forte idrofilia ma richiede calore per la dissoluzione. Si dissolve generalmente in <b data-path-to-node=\"20,0,0,0\" data-index-in-node=\"112\">acqua calda superiore a 90\u00b0C<\/b>. <\/span><span data-path-to-node=\"20,0,0,2\"><span class=\"citation-142\">\u00c8 insolubile in quasi tutti i solventi organici<\/span><\/span><span data-path-to-node=\"20,0,0,4\">.<\/span><\/li>\n<li data-path-to-node=\"20,0,0\"><span data-path-to-node=\"20,1,0,0\"><b data-path-to-node=\"20,1,0,0\" data-index-in-node=\"0\">Propriet\u00e0 di formazione cinematografica<\/b>Forma facilmente pellicole con eccellenti propriet\u00e0 meccaniche. <\/span><span data-path-to-node=\"20,1,0,2\"><span class=\"citation-141\">Questi film forniscono una barriera eccezionale contro gas come l&#039;idrogeno, , <\/span><span class=\"citation-141\">Azoto <\/span><span class=\"citation-141\">, e ossigeno <\/span><\/span><span data-path-to-node=\"20,1,0,4\">.<\/span><\/li>\n<li data-path-to-node=\"20,2,0\"><span data-path-to-node=\"20,2,0,0\"><b data-path-to-node=\"20,2,0,0\" data-index-in-node=\"0\">Stabilit\u00e0 termica<\/b>Il prodotto \u00e8 stabile fino a 130 \u00b0C. <\/span><span data-path-to-node=\"20,2,0,2\"><span class=\"citation-140\">Il PVA completamente idrolizzato inizia a fondere intorno ai 230 \u00b0C e si decompone al di sopra dei 200 \u00b0C.<\/span><\/span><span data-path-to-node=\"20,2,0,4\">.<\/span><\/li>\n<li data-path-to-node=\"20,3,0\"><span data-path-to-node=\"20,3,0,0\"><b data-path-to-node=\"20,3,0,0\" data-index-in-node=\"0\">Reattivit\u00e0<\/b>Presenta un&#039;eccellente reattivit\u00e0 di reticolazione. <\/span><span data-path-to-node=\"20,3,0,2\"><span class=\"citation-139\">Pu\u00f2 essere reticolato con <\/span><b data-path-to-node=\"20,3,0,2\" data-index-in-node=\"28\"><span class=\"citation-139\">borace<\/span><\/b><span class=\"citation-139\"> oppure sottoporsi ad acetalizzazione con formaldeide (per formare PVB) per migliorare la resistenza all&#039;acqua<\/span><\/span><span data-path-to-node=\"20,3,0,4\">.<\/span><\/li>\n<li data-path-to-node=\"20,4,1\"><span data-path-to-node=\"20,4,1,0\"><b data-path-to-node=\"20,4,1,0\" data-index-in-node=\"0\"><span class=\"citation-138\">Resistenza chimica<\/span><\/b><span class=\"citation-138\">Mostra una forte resistenza agli acidi deboli, agli alcali deboli e agli oli<\/span><\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>Applicazioni:<\/h2>\n<div>\n<ul>\n<li data-path-to-node=\"23,0,0\"><span data-path-to-node=\"23,0,0,0\"><b data-path-to-node=\"23,0,0,0\" data-index-in-node=\"0\">Dimensionamento tessile<\/b>Utilizzato come agente di livellamento per fibre. A differenza dell&#039;amido, il PVA 17-99 non \u00e8 soggetto a deterioramento o formazione di muffa. <\/span><span data-path-to-node=\"23,0,0,2\"><span class=\"citation-137\">Offre una formazione di pellicola uniforme, elasticit\u00e0 e resistenza all&#039;abrasione.<\/span><\/span><span data-path-to-node=\"23,0,0,4\">.<\/span><\/li>\n<li data-path-to-node=\"23,1,0\"><span data-path-to-node=\"23,1,0,0\"><b data-path-to-node=\"23,1,0,0\" data-index-in-node=\"0\">Industria della carta<\/b>: Applicato per la collatura superficiale della carta al fine di migliorarne la resistenza e l&#039;assorbimento dell&#039;inchiostro. <\/span><span data-path-to-node=\"23,1,0,2\"><span class=\"citation-136\">Utilizzato anche nella produzione di adesivi per carta<\/span><\/span><span data-path-to-node=\"23,1,0,4\">.<\/span><\/li>\n<li data-path-to-node=\"23,2,1\"><span data-path-to-node=\"23,2,1,0\"><b data-path-to-node=\"23,2,1,0\" data-index-in-node=\"0\"><span class=\"citation-135\">Adesivi e colle<\/span><\/b><span class=\"citation-135\">Grazie alle sue capacit\u00e0 di reticolazione, viene utilizzato per formulare adesivi resistenti all&#039;acqua e colle per l&#039;edilizia.<\/span><\/span><span data-path-to-node=\"23,2,1,2\">.<\/span><\/li>\n<li data-path-to-node=\"23,3,1\"><span data-path-to-node=\"23,3,1,0\"><b data-path-to-node=\"23,3,1,0\" data-index-in-node=\"0\"><span class=\"citation-134\">Produzione di fibre<\/span><\/b><span class=\"citation-134\">: Materia prima per la produzione di fibre di alcol polivinilico e fibre solubili in acqua<\/span><\/span><span data-path-to-node=\"23,3,1,2\">.<\/span><\/li>\n<li data-path-to-node=\"23,4,1\"><span data-path-to-node=\"23,4,1,0\"><b data-path-to-node=\"23,4,1,0\" data-index-in-node=\"0\"><span class=\"citation-133\">Emulsioni<\/span><\/b><span class=\"citation-133\">Agisce come addensante e agente anti-colatura per varie emulsioni<\/span><\/span><span data-path-to-node=\"23,4,1,2\">.<\/span><\/li>\n<\/ul>\n<h2>Imballaggio:<\/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\">Confezione<\/b>: 25 kg per sacco.<\/li>\n<li data-path-to-node=\"26,1,0\"><b data-path-to-node=\"26,1,0\" data-index-in-node=\"0\">Magazzinaggio<\/b>Conservare in un luogo fresco, asciutto e ben ventilato per evitare che il prodotto si agglomeri e assorba umidit\u00e0.<\/li>\n<\/ul>\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=\"29\"><span data-path-to-node=\"29,0\"><b data-path-to-node=\"29,0\" data-index-in-node=\"0\">D: Come si scioglie la colla vinilica PVA 17-99 rispetto alla PVA 17-88?<\/b><\/span><\/p>\n<p data-path-to-node=\"29\"><span data-path-to-node=\"29,0\"> A: Poich\u00e9 PVA 17-99 \u00e8 <b data-path-to-node=\"29,0\" data-index-in-node=\"76\">completamente idrolizzato<\/b> (98-100%), presenta legami idrogeno intermolecolari pi\u00f9 forti rispetto al PVA 17-88. Pertanto, richiede temperature pi\u00f9 elevate per dissolversi. <\/span><span data-path-to-node=\"29,2\"><span class=\"citation-131\">\u00c8 necessario riscaldare l&#039;acqua per <\/span><b data-path-to-node=\"29,2\" data-index-in-node=\"27\"><span class=\"citation-131\">90\u00b0C \u2013 95\u00b0C<\/span><\/b><span class=\"citation-131\"> e mescolare continuamente per la completa dissoluzione<\/span><\/span><span data-path-to-node=\"29,4\">. Il PVA 17-88 si dissolve generalmente a temperature pi\u00f9 basse.<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<p data-path-to-node=\"30\"><b data-path-to-node=\"30\" data-index-in-node=\"0\">D: Qual \u00e8 la differenza tra PVA 17-99 e PVA 100-27?<\/b><\/p>\n<p data-path-to-node=\"30\">A: Sono lo stesso prodotto. &quot;17-99&quot; \u00e8 la nomenclatura standard che indica la viscosit\u00e0 (intervallo ~17-27 in alcuni standard, qui 21-33) e l&#039;idrolisi (99%). &quot;100-27&quot; \u00e8 un&#039;altra denominazione commerciale comune per questa specifica.<\/p>\n<p data-path-to-node=\"31\"><span data-path-to-node=\"31,0\"><b data-path-to-node=\"31,0\" data-index-in-node=\"0\">D: \u00c8 possibile utilizzare la colla vinilica PVA 17-99 per rivestimenti resistenti all&#039;acqua?<\/b> <\/span><\/p>\n<p data-path-to-node=\"31\"><span data-path-to-node=\"31,0\">A: S\u00ec. Essendo completamente idrolizzato, una volta che la pellicola si \u00e8 asciugata e formata, presenta una resistenza all&#039;acqua molto migliore rispetto ai tipi parzialmente idrolizzati. <\/span><span data-path-to-node=\"31,2\"><span class=\"citation-130\">La sua resistenza all&#039;acqua pu\u00f2 essere ulteriormente migliorata mediante reticolazione con borace o formaldeide<\/span><\/span><span data-path-to-node=\"31,4\">.<\/span><\/p>\n<p data-path-to-node=\"29\"><b data-path-to-node=\"34\" data-index-in-node=\"0\"><a href=\"https:\/\/rawchemicalmart.com\/it\/contattaci\/\">Richiedi un preventivo<\/a> per PVA 17-99 \/ 100-27<\/b>. Garantiamo qualit\u00e0 costante e prezzi di fabbrica per l&#039;esportazione in tutto il mondo.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Polyvinyl Alcohol 17-99 (also known as PVA 100-27) is a fully hydrolyzed polyvinyl alcohol polymer appearing as a white solid. Unlike partially hydrolyzed grades, PVA 17-99 is characterized by a high degree of alcoholysis (98.00 &#8211; 100.00 mol%), which imparts superior water resistance, thermal stability, and solvent resistance to the final product.\nWith a medium viscosity of 21.0 &#8211; 33.0 mPa.s, this grade is engineered for applications requiring strong film formation and high tensile strength, such as textile sizing and heavy-duty adhesives.\n<\/p>","protected":false},"featured_media":12151,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":{"0":"post-12136","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) 17-99 \/ 100-27 | Fully Hydrolyzed Supplier - RawChemicalMart<\/title>\n<meta name=\"description\" content=\"Buy Polyvinyl Alcohol 17-99 (PVA 100-27) directly from the manufacturer. 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Un polimero completamente idrolizzato (98-100%) a media viscosit\u00e0, ideale per l&#039;apprettatura dei tessuti, gli adesivi per carta e le colle 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-17-99-completamente-idrolizzato\/","og_locale":"it_IT","og_type":"article","og_title":"Polyvinyl Alcohol (PVA) 17-99 \/ 100-27 | Fully Hydrolyzed Supplier - RawChemicalMart","og_description":"Buy Polyvinyl Alcohol 17-99 (PVA 100-27) directly from the manufacturer. A fully hydrolyzed (98-100%), medium viscosity polymer ideal for textile sizing, paper adhesives, and construction glues. 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