{"id":1776,"date":"2026-06-06T12:32:55","date_gmt":"2026-06-06T04:32:55","guid":{"rendered":"https:\/\/www.keyfulgroup.com\/?p=1776"},"modified":"2026-06-06T12:33:54","modified_gmt":"2026-06-06T04:33:54","slug":"application-of-cellulose-double-side-heat-sealable-film-in-mono-material-bag-production","status":"publish","type":"post","link":"https:\/\/www.keyfulgroup.com\/es\/application-of-cellulose-double-side-heat-sealable-film-in-mono-material-bag-production\/","title":{"rendered":"Aplicaci\u00f3n de la pel\u00edcula de celulosa termosellable por ambas caras en la fabricaci\u00f3n de bolsas de un solo material"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1422.72px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><h2>Aplicaci\u00f3n de la pel\u00edcula de celulosa termosellable por ambas caras en la fabricaci\u00f3n de bolsas de un solo material<\/h2>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-1777\" src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production.avif\" data-orig-src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production.avif\" alt=\"Aplicaci\u00f3n de la pel\u00edcula de celulosa termosellable por ambas caras en la fabricaci\u00f3n de bolsas de un solo material\" width=\"1268\" height=\"634\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271268%27%20height%3D%27634%27%20viewBox%3D%270%200%201268%20634%27%3E%3Crect%20width%3D%271268%27%20height%3D%27634%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-18x9.avif 18w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-200x100.avif 200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-300x150.avif 300w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-400x200.avif 400w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-600x300.avif 600w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-768x384.avif 768w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-800x400.avif 800w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-1024x512.avif 1024w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production-1200x600.avif 1200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Application-of-Cellulose-Double-Side-Heat-Sealable-Film-in-Mono-Material-Bag-Production.avif 1268w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1268px) 100vw, 1268px\" \/><\/p>\n<p>En el camino hacia los envases sostenibles, las marcas se enfrentan a menudo a un dilema: renunciar a la est\u00e9tica del envase y a su capacidad de conservaci\u00f3n, o asumir la carga medioambiental que supone el pl\u00e1stico. Ante el auge de la demanda mundial de soluciones monomateriales, el sector busca con urgencia un avance que ofrezca tanto propiedades de barrera de alto rendimiento como una compostabilidad dom\u00e9stica total.<\/p>\n<p>En respuesta a este reto del sector, Keyful ha presentado un material innovador dise\u00f1ado para ofrecer tanto funcionalidad como sostenibilidad: el film de celulosa termosellable por ambas caras.<\/p>\n<p>La pel\u00edcula de celulosa termosellable por ambas caras de Keyful es un material innovador desarrollado espec\u00edficamente para la fabricaci\u00f3n de bolsas y envases monomateriales. Su estructura se basa en un sustrato de celulosa renovable, recubierto por ambas caras con capas de barrera y termosellables especialmente dise\u00f1adas mediante un proceso de recubrimiento de precisi\u00f3n.<\/p>\n<p>El film combina un excelente rendimiento de termosellado con una transparencia excepcional, al tiempo que ofrece una total compostabilidad dom\u00e9stica al final de su vida \u00fatil. En condiciones naturales del suelo, donde los microorganismos, la humedad y los factores ambientales act\u00faan conjuntamente, el material puede biodegradarse por completo en di\u00f3xido de carbono y agua. Estos subproductos naturales contribuyen a la salud del suelo y son posteriormente reabsorbidos por las plantas a trav\u00e9s del ciclo natural del carbono, lo que permite una soluci\u00f3n de envasado verdaderamente circular.<\/p>\n<p>En el sector mundial de la transformaci\u00f3n y la fabricaci\u00f3n de bolsas, este material se conoce com\u00fanmente como <a href=\"https:\/\/www.keyfulgroup.com\/es\/products\/cellulose-film\/\">Film para bolsas de celulosa<\/a>, pel\u00edcula para bolsas de celof\u00e1n o pel\u00edcula de sellado de celulosa.<\/p>\n<p>Adem\u00e1s de ser totalmente compostable en el hogar, este film ofrece una compatibilidad de producci\u00f3n excepcional. Dise\u00f1ado como una soluci\u00f3n directa, funciona de manera eficiente en maquinaria convencional de fabricaci\u00f3n de bolsas sin necesidad de actualizar los equipos ni modificar los procesos.<\/p>\n<p>Desde bolsas con sellado lateral y bolsas con sellado en tres lados hasta bolsas con sellado central, bolsas con fuelle y bolsas autoadhesivas, los fabricantes pueden pasar sin problemas a los envases a base de celulosa, manteniendo al mismo tiempo la eficiencia de producci\u00f3n y la calidad del producto actuales.<\/p>\n<p>Para obtener un rendimiento \u00f3ptimo del procesamiento, se deben tener en cuenta las siguientes recomendaciones t\u00e9cnicas:<\/p>\n<ul>\n<li>M\u00e9todo de sellado:<\/li>\n<\/ul>\n<p>Dado que el film obtiene su capacidad de termosellado gracias a una tecnolog\u00eda de recubrimiento funcional, no es apto para procesos de sellado por corte en caliente. Por lo tanto, quedar\u00e1 una zona de termosellado visible en la bolsa terminada. Para garantizar la fiabilidad del sellado y el rendimiento del envase, se recomienda un ancho de sellado de al menos 5 mm durante la fabricaci\u00f3n de las bolsas.<\/p>\n<ul>\n<li>Par\u00e1metros de termosellado:<\/li>\n<\/ul>\n<p>Para las operaciones de fabricaci\u00f3n de bolsas, se recomienda un rango de temperatura de sellado de entre 130 \u00b0C y 170 \u00b0C. La temperatura \u00f3ptima puede variar en funci\u00f3n de la velocidad de la m\u00e1quina, el tiempo de permanencia y las condiciones de producci\u00f3n. Se recomienda ajustar con precisi\u00f3n la temperatura de sellado en funci\u00f3n de la velocidad de la l\u00ednea para lograr la mejor resistencia de sellado y la mayor eficiencia de producci\u00f3n posibles.<\/p>\n<p><img decoding=\"async\" class=\"lazyload aligncenter wp-image-1778 size-fusion-800\" src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-800x600.avif\" data-orig-src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-800x600.avif\" alt=\"\" width=\"800\" height=\"600\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27800%27%20height%3D%27600%27%20viewBox%3D%270%200%20800%20600%27%3E%3Crect%20width%3D%27800%27%20height%3D%27600%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-16x12.avif 16w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-200x150.avif 200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-300x225.avif 300w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-400x300.avif 400w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-600x450.avif 600w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-768x576.avif 768w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-800x600.avif 800w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag-1024x768.avif 1024w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Gusseted-Bag.avif 1194w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #141617;\">(Bolsa con fuelle)<\/span><\/p>\n<p><img decoding=\"async\" class=\"lazyload aligncenter wp-image-1779 size-large\" src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-1024x768.avif\" data-orig-src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-1024x768.avif\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271024%27%20height%3D%27768%27%20viewBox%3D%270%200%201024%20768%27%3E%3Crect%20width%3D%271024%27%20height%3D%27768%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-16x12.avif 16w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-200x150.avif 200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-300x225.avif 300w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-400x300.avif 400w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-600x450.avif 600w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-768x576.avif 768w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-800x600.avif 800w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-1024x768.avif 1024w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09-1200x900.avif 1200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Side-Seal-Self-Adhesive-Bag\uff09.avif 1268w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #141617;\">(Bolsa autoadhesiva con sellado lateral)<\/span><\/p>\n<p><img decoding=\"async\" class=\"lazyload size-full wp-image-1780 aligncenter\" src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09.avif\" data-orig-src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09.avif\" alt=\"\" width=\"823\" height=\"1098\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27823%27%20height%3D%271098%27%20viewBox%3D%270%200%20823%201098%27%3E%3Crect%20width%3D%27823%27%20height%3D%271098%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09-9x12.avif 9w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09-200x267.avif 200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09-225x300.avif 225w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09-400x534.avif 400w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09-600x800.avif 600w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09-768x1025.avif 768w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09-800x1067.avif 800w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\uff08Center-Seal-Bag\uff09.avif 823w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 823px) 100vw, 823px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>(Bolsa con cierre central)<\/strong><\/p>\n<p><img decoding=\"async\" class=\"lazyload aligncenter wp-image-1781 size-full\" src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag.avif\" data-orig-src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag.avif\" alt=\"\" width=\"1267\" height=\"845\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271267%27%20height%3D%27845%27%20viewBox%3D%270%200%201267%20845%27%3E%3Crect%20width%3D%271267%27%20height%3D%27845%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-18x12.avif 18w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-200x133.avif 200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-300x200.avif 300w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-400x267.avif 400w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-600x400.avif 600w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-768x512.avif 768w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-800x534.avif 800w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-1024x683.avif 1024w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag-1200x800.avif 1200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/Three-Side-Seal-Bag.avif 1267w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1267px) 100vw, 1267px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #141617;\">(Bolsa con sellado en tres lados)<\/span><\/p>\n<p>Al analizar el rendimiento del termosellado, es importante ofrecer una comparaci\u00f3n objetiva. Los films convencionales de polietileno (PE) pueden alcanzar una resistencia de sellado excepcionalmente alta mediante la fusi\u00f3n t\u00e9rmica a temperaturas elevadas. Sin embargo, su naturaleza no biodegradable y su rendimiento de barrera relativamente limitado est\u00e1n cada vez m\u00e1s en desacuerdo con los objetivos de sostenibilidad actuales.<\/p>\n<p>\u00bfQu\u00e9 es lo que hace que Keyful sea <a href=\"https:\/\/www.keyfulgroup.com\/es\/products\/cellulose-film\/\">L\u00e1mina de celulosa termosellable por ambas caras<\/a> Lo que lo hace \u00fanico es su capacidad para lograr un equilibrio \u00f3ptimo entre la responsabilidad medioambiental, la protecci\u00f3n del producto y el rendimiento en cuanto a la vida \u00fatil.<\/p>\n<ul>\n<li>Excelente rendimiento de la barrera<\/li>\n<\/ul>\n<p>El film ofrece unas excelentes propiedades de barrera, especialmente en lo que respecta a la protecci\u00f3n contra el ox\u00edgeno y la humedad, lo que ayuda a preservar la calidad del producto y a prolongar su vida \u00fatil en una amplia gama de aplicaciones, entre las que se incluyen los productos frescos, la ropa y otros productos sensibles a la humedad.<\/p>\n<ul>\n<li>Indicadores cuantificados de rendimiento<\/li>\n<\/ul>\n<p>El material presenta una tasa de transmisi\u00f3n de ox\u00edgeno (OTR) inferior a 3 cc\/m\u00b2\/d\u00eda y una tasa de transmisi\u00f3n de vapor de agua (WVTR) inferior a 16 g\/m\u00b2\/d\u00eda, lo que cumple los requisitos de rendimiento que suelen caracterizar a las soluciones de envasado de alta barrera.<\/p>\n<ul>\n<li>Equilibrio entre sostenibilidad y funcionalidad<\/li>\n<\/ul>\n<p>Adem\u00e1s de garantizar una compostabilidad dom\u00e9stica total y una integraci\u00f3n perfecta en el ciclo natural del carbono, el film ofrece la protecci\u00f3n funcional necesaria para las aplicaciones de envasado en el mundo real. Gracias a una tecnolog\u00eda de recubrimiento avanzada, Keyful ofrece una soluci\u00f3n de envasado que combina la responsabilidad medioambiental con un rendimiento fiable del producto, lo que permite a las marcas reducir su huella ecol\u00f3gica sin comprometer la eficacia del envase.<\/p>\n<p><img decoding=\"async\" class=\"lazyload size-full wp-image-1782 aligncenter\" src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476.avif\" data-orig-src=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476.avif\" alt=\"\" width=\"1267\" height=\"845\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271267%27%20height%3D%27845%27%20viewBox%3D%270%200%201267%20845%27%3E%3Crect%20width%3D%271267%27%20height%3D%27845%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-18x12.avif 18w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-200x133.avif 200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-300x200.avif 300w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-400x267.avif 400w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-600x400.avif 600w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-768x512.avif 768w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-800x534.avif 800w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-1024x683.avif 1024w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476-1200x800.avif 1200w, https:\/\/www.keyfulgroup.com\/wp-content\/uploads\/2026\/06\/\u56fe\u72476.avif 1267w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1267px) 100vw, 1267px\" \/><\/p>\n<p>Para hacer frente a la limitaci\u00f3n que supone la baja resistencia al termosellado de los sustratos de celulosa, Keyful ha logrado un avance tecnol\u00f3gico decisivo. Hemos desarrollado de forma independiente una tecnolog\u00eda patentada de recubrimiento a base de agua respetuosa con el medio ambiente, con la que hemos logrado aumentar la resistencia al termosellado de los 2 N convencionales a 6 N. Esta tecnolog\u00eda se encuentra actualmente a la vanguardia en el sector de la fabricaci\u00f3n de bolsas de celulosa y ha sido desarrollada espec\u00edficamente para aplicaciones que requieren una mayor capacidad de carga del embalaje y una mayor estabilidad del sellado.<\/p>\n<p>Para satisfacer las diversas necesidades de los distintos sectores, ofrecemos cuatro opciones de grosor de pel\u00edcula: 22 \u03bcm, 30 \u03bcm, 35 \u03bcm y 40 \u03bcm, adem\u00e1s de ofrecer soluciones de gran formato totalmente personalizadas. Tanto si se dedica al envasado de aperitivos ligeros, al envasado industrial de juguetes, productos met\u00e1licos o prendas de vestir que requieren una mayor estabilidad, como si opera en el sector de los productos frescos con estrictos requisitos de conservaci\u00f3n, el film termosellable de barrera de celulosa de alta transparencia de Keyful ofrece soluciones precisas y a medida para ayudar a que sus productos destaquen en el mercado final.<\/p>\n<h3>PREGUNTAS FRECUENTES<\/h3>\n<p id=\"p-rc_ad4a83093735ec8c-27\" data-path-to-node=\"1\"><span data-path-to-node=\"1,0\"><b data-path-to-node=\"1,0\" data-index-in-node=\"0\">P1: \u00bfQu\u00e9 es el film de celulosa termosellable por ambas caras?<\/b> <\/span><\/p>\n<p data-path-to-node=\"1\"><span data-path-to-node=\"1,0\"><b data-path-to-node=\"1,0\" data-index-in-node=\"54\">R:<\/b> Se trata de un material de embalaje innovador desarrollado espec\u00edficamente para la fabricaci\u00f3n de bolsas y envases monomateriales.<\/span><span data-path-to-node=\"1,2\">. La estructura est\u00e1 compuesta por un sustrato de celulosa renovable recubierto por ambas caras con capas de barrera y termosellables especialmente dise\u00f1adas, mediante un proceso de recubrimiento de precisi\u00f3n<\/span><span data-path-to-node=\"1,4\">.<\/span><\/p>\n<p id=\"p-rc_ad4a83093735ec8c-28\" data-path-to-node=\"2\"><span data-path-to-node=\"2,0\"><b data-path-to-node=\"2,0\" data-index-in-node=\"0\">Pregunta 2: \u00bfEs la pel\u00edcula para bolsas de celulosa totalmente compostable?<\/b> <\/span><\/p>\n<p data-path-to-node=\"2\"><span data-path-to-node=\"2,0\"><b data-path-to-node=\"2,0\" data-index-in-node=\"49\">R:<\/b> S\u00ed, el film ofrece una funcionalidad total de compostaje dom\u00e9stico al final de su vida \u00fatil<\/span><span data-path-to-node=\"2,2\">. Cuando se coloca en condiciones de suelo natural, donde interact\u00faan factores ambientales, la humedad y los microorganismos, el material se biodegrada por completo, transform\u00e1ndose en agua y di\u00f3xido de carbono<\/span><span data-path-to-node=\"2,4\">. Estos subproductos son reabsorbidos por las plantas a trav\u00e9s del ciclo natural del carbono, lo que la convierte en una soluci\u00f3n de embalaje verdaderamente circular<\/span><span data-path-to-node=\"2,6\">.<\/span><\/p>\n<p id=\"p-rc_ad4a83093735ec8c-29\" data-path-to-node=\"3\"><span data-path-to-node=\"3,0\"><b data-path-to-node=\"3,0\" data-index-in-node=\"0\">Pregunta 3: \u00bfLa transici\u00f3n a este tipo de pel\u00edcula requiere una actualizaci\u00f3n de la maquinaria?<\/b> <\/span><\/p>\n<p data-path-to-node=\"3\"><span data-path-to-node=\"3,0\"><b data-path-to-node=\"3,0\" data-index-in-node=\"64\">R:<\/b> No es necesario realizar actualizaciones de la maquinaria ni modificaciones en los procesos<\/span><span data-path-to-node=\"3,2\">. La pel\u00edcula est\u00e1 dise\u00f1ada como una soluci\u00f3n lista para usar que funciona con gran eficacia en equipos convencionales de fabricaci\u00f3n de bolsas<\/span><span data-path-to-node=\"3,4\">. Esto permite a los fabricantes pasar sin problemas a los envases a base de celulosa, al tiempo que mantienen la calidad de sus productos y la eficiencia de la producci\u00f3n<\/span><span data-path-to-node=\"3,6\">.<\/span><\/p>\n<p id=\"p-rc_ad4a83093735ec8c-30\" data-path-to-node=\"4\"><span data-path-to-node=\"4,0\"><b data-path-to-node=\"4,0\" data-index-in-node=\"0\">Pregunta 4: \u00bfQu\u00e9 tipos de bolsas se pueden fabricar con la pel\u00edcula Cellulose Seal?<\/b> <\/span><\/p>\n<p data-path-to-node=\"4\"><span data-path-to-node=\"4,0\"><b data-path-to-node=\"4,0\" data-index-in-node=\"66\">R:<\/b> Este material es muy vers\u00e1til y se puede utilizar para fabricar una amplia variedad de formatos, entre los que se incluyen bolsas con sellado en tres lados, bolsas con sellado lateral, bolsas con sellado central, bolsas con fuelle y bolsas autoadhesivas<\/span><span data-path-to-node=\"4,2\">.<\/span><\/p>\n<p id=\"p-rc_ad4a83093735ec8c-31\" data-path-to-node=\"5\"><span data-path-to-node=\"5,0\"><b data-path-to-node=\"5,0\" data-index-in-node=\"0\">P5: \u00bfCu\u00e1les son los par\u00e1metros de termosellado recomendados para una producci\u00f3n \u00f3ptima de bolsas?<\/b> <\/span><\/p>\n<p data-path-to-node=\"5\"><span data-path-to-node=\"5,0\"><b data-path-to-node=\"5,0\" data-index-in-node=\"81\">R:<\/b> Se recomienda un rango de temperatura de sellado de entre 130 \u00b0C y 170 \u00b0C, aunque se aconseja ajustar estos par\u00e1metros en funci\u00f3n de la velocidad de la l\u00ednea, el tiempo de permanencia y las condiciones de producci\u00f3n para lograr una eficiencia \u00f3ptima.<\/span><span data-path-to-node=\"5,2\">. Es importante se\u00f1alar que los procesos de sellado por corte en caliente no son adecuados para esta tecnolog\u00eda de recubrimiento funcional<\/span><span data-path-to-node=\"5,4\">. Para garantizar un rendimiento fiable del envase y la integridad del sellado, se recomienda un ancho m\u00ednimo de sellado t\u00e9rmico de 5 mm<\/span><span data-path-to-node=\"5,6\">.<\/span><\/p>\n<p id=\"p-rc_ad4a83093735ec8c-32\" data-path-to-node=\"6\"><span data-path-to-node=\"6,0\"><b data-path-to-node=\"6,0\" data-index-in-node=\"0\">P6: \u00bfCu\u00e1les son las propiedades de barrera espec\u00edficas de la pel\u00edcula?<\/b> <\/span><\/p>\n<p data-path-to-node=\"6\"><span data-path-to-node=\"6,0\"><b data-path-to-node=\"6,0\" data-index-in-node=\"58\">R:<\/b> La pel\u00edcula ofrece un rendimiento excepcional como barrera, ya que est\u00e1 dise\u00f1ada espec\u00edficamente para proteger contra la humedad y el ox\u00edgeno<\/span><span data-path-to-node=\"6,2\">. Alcanza una tasa de transmisi\u00f3n de ox\u00edgeno (OTR) inferior a 3 cc\/m\u00b2\/d\u00eda y una tasa de transmisi\u00f3n de vapor de agua (WVTR) inferior a 16 g\/m\u00b2\/d\u00eda<\/span><span data-path-to-node=\"6,4\">. Esto lo convierte en una soluci\u00f3n ideal para prolongar la vida \u00fatil de los productos frescos, la ropa y otros art\u00edculos sensibles a la humedad<\/span><span data-path-to-node=\"6,6\">.<\/span><\/p>\n<p id=\"p-rc_ad4a83093735ec8c-33\" data-path-to-node=\"7\"><span data-path-to-node=\"7,0\"><b data-path-to-node=\"7,0\" data-index-in-node=\"0\">P7: \u00bfQu\u00e9 resistencia tiene el sellado t\u00e9rmico en comparaci\u00f3n con los films de celulosa tradicionales?<\/b> <\/span><\/p>\n<p data-path-to-node=\"7\"><span data-path-to-node=\"7,0\"><b data-path-to-node=\"7,0\" data-index-in-node=\"73\">R:<\/b> Mientras que los sustratos de celulosa convencionales suelen tener una resistencia al termosellado limitada de 2 N, Keyful ha utilizado una tecnolog\u00eda patentada de recubrimiento ecol\u00f3gico a base de agua para aumentar la resistencia al termosellado hasta 6 N.<\/span><span data-path-to-node=\"7,2\">. Este avance ofrece la mayor capacidad de carga y la estabilidad de sellado necesarias para aplicaciones exigentes<\/span><span data-path-to-node=\"7,4\">.<\/span><\/p>\n<p id=\"p-rc_ad4a83093735ec8c-34\" data-path-to-node=\"8\"><span data-path-to-node=\"8,0\"><b data-path-to-node=\"8,0\" data-index-in-node=\"0\">P8: \u00bfQu\u00e9 grosores y dimensiones hay disponibles?<\/b> <\/span><\/p>\n<p data-path-to-node=\"8\"><span data-path-to-node=\"8,0\"><b data-path-to-node=\"8,0\" data-index-in-node=\"51\">R:<\/b> Para satisfacer las diversas necesidades del sector \u2014desde envases ligeros para aperitivos hasta envases industriales para juguetes o productos met\u00e1licos\u2014, el film se ofrece en cuatro espesores est\u00e1ndar: 22 \u03bcm, 30 \u03bcm, 35 \u03bcm y 40 \u03bcm.<\/span><span data-path-to-node=\"8,2\">. Adem\u00e1s, ofrecemos soluciones de gran anchura totalmente personalizadas para satisfacer necesidades espec\u00edficas a medida<\/span><span data-path-to-node=\"8,4\">.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":1783,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cellulose Heat-Sealable Film for Mono-Material Bag Production | Keyful<\/title>\n<meta name=\"description\" content=\"Upgrade your bag making with Keyful&#039;s innovative cellulose film. 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