{"id":9993,"date":"2026-10-02T10:42:54","date_gmt":"2026-10-02T08:42:54","guid":{"rendered":"https:\/\/htpglobal.net\/?p=9993"},"modified":"2026-10-02T10:45:02","modified_gmt":"2026-10-02T08:45:02","slug":"en-314-2-que-significan-las-clases-de-encolado-del-contrachapado","status":"publish","type":"post","link":"https:\/\/htpglobal.net\/es\/en-314-2-que-significan-las-clases-de-encolado-del-contrachapado\/","title":{"rendered":"EN 314-2: qu\u00e9 significan las clases de encolado del contrachapado"},"content":{"rendered":"<p>En la selecci\u00f3n de un tablero contrachapado para construcci\u00f3n, transporte o aplicaciones industriales, no solo importa la madera utilizada o la resistencia mec\u00e1nica. Tambi\u00e9n es fundamental conocer c\u00f3mo responde la uni\u00f3n entre las diferentes chapas ante la humedad.<\/p>\n<p>Una mala respuesta del encolado puede provocar la delaminaci\u00f3n del tablero, es decir, la separaci\u00f3n de las capas que lo forman.<\/p>\n<p>La norma\u00a0<strong>UNE-EN 314-2<\/strong>\u00a0establece las clases de calidad del encolado del contrachapado y define los ensayos necesarios para comprobar el comportamiento de las uniones encoladas frente a diferentes condiciones de humedad.<\/p>\n<h2><strong>Las 3 clases de encolado<\/strong><\/h2>\n<p>La norma establece\u00a0tres clases de calidad del encolado, asociadas a diferentes condiciones de exposici\u00f3n:<\/p>\n<table style=\"border-collapse: collapse; width: 100%; font-family: amelia-basic, sans-serif;\">\n<thead>\n<tr style=\"background-color: #2c3e50; color: #ffffff;\">\n<th style=\"border: 1px solid #2c3e50; padding: 10px 14px; text-align: left; width: 66px;\">Clase<\/th>\n<th style=\"border: 1px solid #2c3e50; padding: 10px 14px; text-align: left; width: 198px;\">Condiciones de uso<\/th>\n<th style=\"border: 1px solid #2c3e50; padding: 10px 14px; text-align: left; width: 302px;\">Aplicaciones habituales<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px; font-weight: bold;\">Clase 1<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px;\">Interior seco<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px;\">Mobiliario, revestimientos y otras aplicaciones interiores protegidas<\/td>\n<\/tr>\n<tr style=\"background-color: #ffffff;\">\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px; font-weight: bold;\">Clase 2<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px;\">Interior h\u00famedo o exterior protegido<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px;\">Aplicaciones en ambientes con exposici\u00f3n ocasional a la humedad<\/td>\n<\/tr>\n<tr style=\"background-color: #f9f9f9;\">\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px; font-weight: bold;\">Clase 3<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px;\">Condiciones exteriores<\/td>\n<td style=\"border: 1px solid #cccccc; padding: 10px 14px;\">Aplicaciones con una exposici\u00f3n m\u00e1s exigente a la humedad<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Es importante tener en cuenta que\u00a0<strong>la clase de encolado no determina por s\u00ed sola la aptitud completa del tablero para una aplicaci\u00f3n concreta<\/strong>.<\/p>\n<p>Para seleccionar el producto adecuado tambi\u00e9n deben considerarse otros factores, como la especie de madera, la durabilidad, el espesor, el acabado y las condiciones de uso.<\/p>\n<h2><strong>\u00bfC\u00f3mo se comprueba la calidad del encolado?<\/strong><\/h2>\n<p>La clasificaci\u00f3n no se basa \u00fanicamente en las caracter\u00edsticas del adhesivo. Los tableros se someten a\u00a0ensayos de cizallamiento despu\u00e9s de diferentes tratamientos con agua, que permiten comprobar la resistencia de las uniones entre chapas.<\/p>\n<p>El objetivo es comprobar que las uniones mantienen unas prestaciones adecuadas despu\u00e9s de los tratamientos establecidos por la norma.<\/p>\n<h2><strong>EN 314-2 y EN 636: \u00bfcu\u00e1l es la diferencia?<\/strong><\/h2>\n<p>Aunque ambas normas aparecen habitualmente juntas en las fichas t\u00e9cnicas de los tableros contrachapados,\u00a0<strong>no eval\u00faan exactamente lo mismo<\/strong>.<\/p>\n<ul>\n<li><strong>EN 314-2:<\/strong>establece las clases de calidad de las uniones encoladas mediante ensayos espec\u00edficos.<\/li>\n<li><strong>EN 636:<\/strong>clasifica los tableros contrachapados seg\u00fan las condiciones de uso previstas y su comportamiento frente a la exposici\u00f3n ambiental.<\/li>\n<\/ul>\n<p>La informaci\u00f3n de ambas normas puede ser necesaria para interpretar correctamente las prestaciones de un tablero.<\/p>\n<h2><strong>El encolado en los contrachapados t\u00e9cnicos de HTPLY<\/strong><\/h2>\n<p>En\u00a0<strong>Grupo HTP Global<\/strong>, a trav\u00e9s de <strong>HTPLY<\/strong>, trabajamos con tableros <a href=\"https:\/\/htpglobal.net\/es\/productos\/\">contrachapados t\u00e9cnicos<\/a> dise\u00f1ados para aplicaciones exigentes en sectores como la construcci\u00f3n, el transporte y la industria.<\/p>\n<p>Nuestros tableros contrachapados\u00a0<strong>cumplen los requisitos establecidos por la norma UNE-EN 314-2<\/strong>, garantizando la calidad de las uniones encoladas y su comportamiento frente a las condiciones de humedad correspondientes a cada clase.<\/p>\n<p>La gama incluye diferentes soluciones de contrachapado, con distintas configuraciones de n\u00facleo, caras, espesores y tipos de encolado para adaptarse a las caracter\u00edsticas de cada aplicaci\u00f3n.<\/p>\n<p><strong>\u00bfQuieres conocer las especificaciones de nuestras soluciones de contrachapado?<\/strong>\u00a0Contacta con nuestro equipo t\u00e9cnico.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En la selecci\u00f3n de un tablero contrachapado para construcci\u00f3n, transporte o aplicaciones industriales, no solo importa la madera utilizada o la resistencia mec\u00e1nica. Tambi\u00e9n es fundamental conocer c\u00f3mo responde la uni\u00f3n entre las diferentes chapas ante la humedad. Una mala respuesta del encolado puede provocar la delaminaci\u00f3n del tablero, es decir, la separaci\u00f3n de las<\/p>\n","protected":false},"author":9,"featured_media":9995,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[154],"tags":[],"class_list":["post-9993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-contrachapado"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UNE-EN 314-2: clases de encolado del contrachapado<\/title>\n<meta name=\"description\" content=\"Descubre qu\u00e9 establece la UNE-EN 314-2, cu\u00e1les son las 3 clases de encolado del contrachapado y c\u00f3mo elegir el tablero seg\u00fan su exposici\u00f3n a la humedad.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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