{"id":105290,"date":"2025-12-02T00:20:38","date_gmt":"2025-12-01T22:20:38","guid":{"rendered":"https:\/\/www.erail.gr\/?post_type=product&#038;p=105290"},"modified":"2026-01-29T13:15:50","modified_gmt":"2026-01-29T11:15:50","slug":"colle-21-technofoam-sheet-3mm","status":"publish","type":"product","link":"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/","title":{"rendered":"Colle 21 &#8211; Technofoam sheet 3mm"},"content":{"rendered":"<p>Technofoam 21 by Colle21 \u2013 Decorative rigid polyurethane foam sheet 3 mm \u2013 30 x 21 cm<br \/>\nCreate ultra-realistic scenery with professional precision thanks to Technofoam 21.<\/p>\n<p>Discover Technofoam 21 by Colle21, the decorative sheet made of thermosetting rigid polyurethane polymer, with a 3 mm thickness and a standard 30 x 21 cm format. Specially designed for model making, dioramas, and creative DIY, this technical material is the top choice for hobbyists who demand performance, reliability, and precision.<\/p>\n<p>Main features of Technofoam 21 by Colle21<\/p>\n<p>Premium quality: Each Technofoam sheet is made with an advanced chemical formulation, ensuring a smooth, durable, and easy-to-work surface.<br \/>\nComplete versatility: Available in multiple thicknesses, Technofoam is perfect for detailed work as well as larger scenic builds.<br \/>\nConvenient large format: The 30 x 21 cm size provides a generous work area while minimizing waste.<br \/>\nUser-friendly: Technofoam can be cut, sculpted, and shaped with extreme precision, even for the most complex scenes.<br \/>\nExceptional thermal stability: Thanks to its thermosetting formulation, Technofoam by Colle21 maintains its shape and strength under various conditions.<\/p>\n<p>Ideal applications of Technofoam 21 by Colle21<\/p>\n<p>Dioramas: Perfect for recreating natural landscapes (mountains, valleys, rivers).<br \/>\nMiniature buildings: Great for constructing structures, houses, ruins, or historic monuments.<br \/>\nScenic bases and decorative elements: Technofoam allows you to easily build base structures, architectural details, or terrain.<br \/>\nModel making &#038; DIY: Suitable for any creative, artistic, or technical project.<\/p>\n<p>Usage tips<\/p>\n<p>Use sharp cutting tools for a clean finish.<br \/>\nUse sculpting tools suitable for fine detail work.<br \/>\nWork in a well-ventilated area when cutting to avoid inhaling fine dust.<\/p>\n<p>Technofoam technical details:<\/p>\n<p>Size: 30 x 21 cm<\/p>\n<p>Thickness: 3 mm<\/p>\n<p>Material: Thermosetting rigid polyurethane polymer<\/p>\n<p>Manufactured in Europe<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Colle 21 &#8211; Technofoam sheet 3mm<\/p>\n","protected":false},"featured_media":105291,"template":"","meta":{"_acf_changed":false},"product_brand":[2028],"product_cat":[1984],"product_tag":[],"class_list":{"0":"post-105290","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-colle21","7":"product_cat-1984","9":"first","10":"instock","11":"purchasable","12":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Colle 21 - Technofoam sheet 3mm - eRail - Railway modelling<\/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:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Colle 21 - Technofoam sheet 3mm - eRail - Railway modelling\" \/>\n<meta property=\"og:description\" content=\"Colle 21 - Technofoam sheet 3mm\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/\" \/>\n<meta property=\"og:site_name\" content=\"eRail - Railway modelling\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/erail.gr\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-29T11:15:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.erail.gr\/wp-content\/uploads\/2025\/12\/3.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/\",\"url\":\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/\",\"name\":\"Colle 21 - Technofoam sheet 3mm - eRail - Railway modelling\",\"isPartOf\":{\"@id\":\"https:\/\/www.erail.gr\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.erail.gr\/wp-content\/uploads\/2025\/12\/3.webp\",\"datePublished\":\"2025-12-01T22:20:38+00:00\",\"dateModified\":\"2026-01-29T11:15:50+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/#primaryimage\",\"url\":\"https:\/\/www.erail.gr\/wp-content\/uploads\/2025\/12\/3.webp\",\"contentUrl\":\"https:\/\/www.erail.gr\/wp-content\/uploads\/2025\/12\/3.webp\",\"width\":1000,\"height\":1000},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.erail.gr\/en\/shop\/colle-21-technofoam-sheet-3mm\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.erail.gr\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/www.erail.gr\/en\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Colle 21 &#8211; 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