{"id":1041,"date":"2024-02-04T14:07:04","date_gmt":"2024-02-04T06:07:04","guid":{"rendered":"https:\/\/joyforce-tech.com\/?p=1041"},"modified":"2024-08-25T13:42:31","modified_gmt":"2024-08-25T05:42:31","slug":"how-to-identify-the-quality-of-pva-water-soluble-film-products","status":"publish","type":"post","link":"https:\/\/joyforce-tech.com\/es\/how-to-identify-the-quality-of-pva-water-soluble-film-products.html","title":{"rendered":"C\u00f3mo identificar la calidad de los productos de film hidrosoluble de PVA"},"content":{"rendered":"<p style=\"font-weight: 400;\">1) Solubilidad en agua:<\/p>\n<p style=\"font-weight: 400;\">La pel\u00edcula soluble en agua fr\u00eda requiere que pueda disolverse en agua por encima de 4 \u2103. Cuanto m\u00e1s r\u00e1pido se disuelva, mejor. Cuanto menos residuo quede tras la disoluci\u00f3n, mejor. Cuanto m\u00e1s clara sea el agua disuelta, mejor.<\/p>\n<p style=\"font-weight: 400;\">2) Calidad de aspecto:<\/p>\n<p style=\"font-weight: 400;\">Cuanto m\u00e1s liso sea el bobinado, mejor. No debe haber irregularidades ni arrugas evidentes en la superficie exterior del rollo. Cuanto m\u00e1s planas sean las dos caras extremas del rollo de pel\u00edcula, mejor, con un margen de \u00b12 mm. La superficie de la pel\u00edcula no debe presentar defectos como burbujas, perforaciones, inclusiones de escoria y manchas negras.<\/p>\n<p style=\"font-weight: 400;\">3) Resistencia mec\u00e1nica:<\/p>\n<p style=\"font-weight: 400;\">La resistencia a la tracci\u00f3n debe ser superior a 25Mpa. Demasiado poca es f\u00e1cil de arrancar. El alargamiento a la rotura debe ser superior a 180%. Menos no es blando. La resistencia al desgarro en \u00e1ngulo recto debe ser de 80KN\/m aproximadamente. De lo contrario, es quebradizo cuando se rompe.<\/p>\n<p style=\"font-weight: 400;\">4) Tiempo de almacenamiento: La pel\u00edcula hidrosoluble con calidad estable puede almacenarse durante m\u00e1s de 1-2 a\u00f1os (sin humedad).<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-1042\" src=\"https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1-13.png\" alt=\"\" width=\"655\" height=\"435\" srcset=\"https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1-13.png 655w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1-13-300x199.png 300w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1-13-18x12.png 18w, https:\/\/joyforce-tech.com\/wp-content\/uploads\/2024\/02\/1-13-600x398.png 600w\" sizes=\"(max-width: 655px) 100vw, 655px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>1) Water solubility: Cold water soluble film requires that water can be dissolved in water above 4 \u2103. The faster it dissolves the better. The less residue remaining after dissolution, the better. The clearer the dissolved water, the better. 2) Appearance quality: The smoother the winding, the better. There should be no obvious unevenness and [&hellip;]<\/p>","protected":false},"author":2,"featured_media":1042,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-1041","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bolg"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to identify the quality of PVA water-soluble film products - Joyforce PVA Film and Bag<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/joyforce-tech.com\/es\/how-to-identify-the-quality-of-pva-water-soluble-film-products.html\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to identify the quality of PVA water-soluble film products - Joyforce PVA Film and Bag\" \/>\n<meta property=\"og:description\" content=\"1) Water solubility: Cold water soluble film requires that water can be dissolved in water above 4 \u2103. 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