{"id":12104,"date":"2026-01-21T13:04:19","date_gmt":"2026-01-21T13:04:19","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?post_type=product&p=12104"},"modified":"2026-01-23T06:43:52","modified_gmt":"2026-01-23T06:43:52","slug":"alcohol-polivinilico-pva-1788","status":"publish","type":"product","link":"https:\/\/rawchemicalmart.com\/es\/producto\/alcohol-polivinilico-pva-1788\/","title":{"rendered":"Alcohol polivin\u00edlico (PVA) 17-88 \/ PVA 088-20"},"content":{"rendered":"

Presupuesto:<\/h2>\n
\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Art\u00edculo<\/th>Especificaci\u00f3n<\/th>M\u00e9todo de prueba \/ Nota<\/th>\n<\/tr>\n<\/thead>\n
Nombre del producto<\/td>Alcohol polivin\u00edlico (PVA) 17-88 \/ 1788<\/td><\/td>\n<\/tr>\n
Apariencia<\/td>Polvo\/part\u00edcula blanca<\/td><\/td>\n<\/tr>\n
Grado de alcoholismo<\/td>86,00 - 90,00 mol%<\/td>(Parcialmente hidrolizado)<\/td>\n<\/tr>\n
Viscosidad<\/td>19,5 - 32,0 mPa\u00b7s<\/td>(Soluci\u00f3n acuosa de 4% a 20 \u00b0C)<\/td>\n<\/tr>\n
Contenido vol\u00e1til<\/td>\u2264 5,0 wt%<\/td><\/td>\n<\/tr>\n
Pureza<\/td>\u2265 93,5 wt%<\/td>(Valor calculado)<\/td>\n<\/tr>\n
Valor de pH<\/td>5 ~ 7<\/td><\/td>\n<\/tr>\n
Contenido de ceniza<\/td>\u2264 0,5 wt%<\/td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Nota<\/b>La viscosidad se mide en una soluci\u00f3n acuosa de 4%. La pureza es un valor calculado.<\/div>\n

Aplicaciones:<\/h2>\n
\n

Nuestro PVA 1788 est\u00e1 dise\u00f1ado para diversas aplicaciones industriales:<\/p>\n

    \n
  • \n

    Industria de adhesivos<\/b>Act\u00faa como aglutinante primario para adhesivos de papel, madera y textiles. Su gran poder adhesivo lo hace ideal para pegamentos de oficina y adhesivos de embalaje.<\/p>\n<\/li>\n

  • \n

    Materiales de construcci\u00f3n<\/b>Se utiliza como aditivo en morteros secos, masillas y adhesivos para azulejos. Mejora la retenci\u00f3n de agua, la flexibilidad y la fuerza de adherencia del material cementoso.<\/p>\n<\/li>\n

  • \n

    Procesamiento de papel<\/b>Mejora la resistencia superficial, la capacidad de impresi\u00f3n y la resistencia al aceite de los productos de papel.<\/p>\n<\/li>\n

  • \n

    Procesamiento de pel\u00edculas<\/b>Debido a sus excelentes propiedades film\u00f3genas, se utiliza para fabricar pel\u00edculas solubles en agua y recubrimientos protectores.<\/p>\n<\/li>\n

  • \n

    Industria de estabilizadores<\/b>Funciona como un emulsionante eficaz y un coloide protector en la polimerizaci\u00f3n de emulsiones de acetato de vinilo (PVAc).<\/p>\n<\/li>\n

  • \n

    Moldeo de pl\u00e1stico<\/b>: Se utiliza como agente desmoldante y modificador de superficie en la producci\u00f3n de pl\u00e1sticos.<\/p>\n<\/li>\n<\/ul>\n

    Embalaje:<\/h2>\n

    25 kg por saco.<\/p>\n

    Producto<\/b><\/strong>\u00a0Almacenamiento:<\/b><\/strong><\/h2>\n

    Almacenar en un lugar fresco, seco y bien ventilado. Mantener alejado de la humedad y la luz solar directa para conservar la calidad del producto.<\/p>\n<\/div>\n

    Preguntas frecuentes:<\/h2>\n

    P: \u00bfCu\u00e1l es la diferencia entre PVA 1788 y PVA 2488?<\/b><\/p>\n

    A: La principal diferencia radica en la viscosidad<\/b> y grado de polimerizaci\u00f3n<\/b>. El PVA 1788 suele tener una viscosidad menor (19,5-32,0 mPa\u00b7s) en comparaci\u00f3n con el PVA 2488, lo que lo hace m\u00e1s adecuado para aplicaciones que requieren una disoluci\u00f3n m\u00e1s r\u00e1pida y una menor viscosidad de la soluci\u00f3n. Ambos son grados parcialmente hidrolizados.<\/p>\n

    P: \u00bfEs soluble el PVA 1788 en agua fr\u00eda?<\/b><\/p>\n

    A: El PVA 1788 es un grado parcialmente hidrolizado (86-90%), que generalmente ofrece mejor solubilidad en agua que los grados totalmente hidrolizados. Se disuelve en agua tibia, pero para una disoluci\u00f3n completa y un rendimiento \u00f3ptimo, se recomienda calentarlo a temperaturas espec\u00edficas (normalmente entre 80 y 90 \u00b0C) seg\u00fan el proceso de aplicaci\u00f3n.<\/p>\n

    P: \u00bfSe puede utilizar el PVA 1788 en adhesivos para envases de alimentos?<\/b><\/p>\n

    R: S\u00ed, debido a su naturaleza no t\u00f3xica y sus excelentes propiedades adhesivas, el PVA 1788 se utiliza a menudo en adhesivos para envases de papel que pueden entrar en contacto indirectamente con productos alimenticios.<\/p>","protected":false},"excerpt":{"rendered":"

    Polyvinyl Alcohol 1788 (also known as PVA 088-20) is a partially alcoholized, medium-viscosity grade water-soluble polymer. It is renowned for its excellent film-forming capabilities, strong adhesion, and superior emulsifying properties.\nAs a versatile raw material, our PVA 1788 is widely used across the construction, textile, and adhesive industries. It is soluble in water while remaining resistant to oils, grease, and most organic solvents, making it an essential additive for enhancing the performance of mortar, putty, and industrial adhesives.\n<\/p>","protected":false},"featured_media":12113,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[58],"product_tag":[],"class_list":{"0":"post-12104","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":"\nPolyvinyl Alcohol (PVA) 17-88 | Manufacturer & Supplier - RawChemicalMart<\/title>\n<meta name=\"description\" content=\"Buy high-quality Polyvinyl Alcohol 1788 (PVA 088-20) from RawChemicalMart. Partially hydrolyzed grade with 86-90 mol% alcoholysis. Ideal for adhesives, paper processing, and building materials. 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