{"id":69863,"date":"2026-05-17T17:28:34","date_gmt":"2026-05-17T17:28:34","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/en-1094\/"},"modified":"2026-05-19T15:31:48","modified_gmt":"2026-05-19T15:31:48","slug":"en-1094","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/en-1094\/","title":{"rendered":"EN 1094"},"content":{"rendered":"<h2>Technical standards and classification of refractory products according to DIN EN 1094<\/h2>\n<p>The DIN EN 1094 standard is a fundamental regulatory document governing the terminology, classification, and metrological control methods for refractory fiber products. EV Group China technologists use these specifications to verify the quality of High-Temperature Insulation Wool (HTIW) used in the lining of industrial furnaces and thermal units.<\/p>\n<p>The regulation establishes strict testing protocols for the following characteristics:<\/p>\n<ul>\n<li>Geometric parameters and product density.<\/li>\n<li>Thermal conductivity coefficient depending on the temperature gradient.<\/li>\n<li>Flexural strength (three-point loading method).<\/li>\n<li>Linear shrinkage under thermal exposure.<\/li>\n<li>Determination of non-fibrous inclusion content (&#8220;shot&#8221;) using dry and wet methods.<\/li>\n<li>Analysis of fiber morphology (average diameter).<\/li>\n<\/ul>\n<p>These requirements cover molded products, including blankets, boards, and felt materials, ensuring the predictability of their operational properties in extreme conditions. EV Group China experts rely on these criteria to ensure the industrial safety and energy efficiency of the supplied materials.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[114],"class_list":["post-69863","wiki","type-wiki","status-publish","hentry","wiki_category-en"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69863\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69863"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}