{"id":3941,"date":"2025-07-21T09:03:14","date_gmt":"2025-07-21T08:03:14","guid":{"rendered":"https:\/\/www.ms-viscom.com\/izdelek\/glass-expoy-fr4\/"},"modified":"2025-11-17T08:51:15","modified_gmt":"2025-11-17T07:51:15","slug":"glass-expoy-fr4","status":"publish","type":"product","link":"https:\/\/www.ms-viscom.com\/en\/izdelek\/glass-expoy-fr4\/","title":{"rendered":"Glass-expoy FR4"},"content":{"rendered":"<p>&#8220;FR4 is a high-performance laminate based on epoxy resin reinforced with glass fabric. Due to its combination of high mechanical strength, excellent electrical insulation, and good dimensional stability, FR4 is one of the most widely used materials in electrical engineering and printed circuit board (PCB) manufacturing. The material is resistant to moisture, chemicals, and temperature influences, ensuring reliable performance across a wide range of industrial applications.<\/p>\n<p data-start=\"521\" data-end=\"544\"><strong data-start=\"521\" data-end=\"542\">Main Properties:<\/strong><\/p>\n<ul data-start=\"545\" data-end=\"813\">\n<li data-start=\"545\" data-end=\"582\">\n<p data-start=\"547\" data-end=\"582\">High mechanical strength and rigidity<\/p>\n<\/li>\n<li data-start=\"583\" data-end=\"617\">\n<p data-start=\"585\" data-end=\"617\">Excellent dielectric properties<\/p>\n<\/li>\n<li data-start=\"618\" data-end=\"650\">\n<p data-start=\"620\" data-end=\"650\">Good dimensional stability<\/p>\n<\/li>\n<li data-start=\"651\" data-end=\"691\">\n<p data-start=\"653\" data-end=\"691\">Resistance to moisture and chemicals<\/p>\n<\/li>\n<li data-start=\"692\" data-end=\"738\">\n<p data-start=\"694\" data-end=\"738\">Temperature resistance up to approximately 130 \u00b0C<\/p>\n<\/li>\n<li data-start=\"739\" data-end=\"781\">\n<p data-start=\"741\" data-end=\"781\">Self-extinguishing according to UL 94 V-0<\/p>\n<\/li>\n<li data-start=\"782\" data-end=\"813\">\n<p data-start=\"784\" data-end=\"813\">Easy mechanical machining<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"820\" data-end=\"842\"><strong data-start=\"820\" data-end=\"840\">Typical Applications:<\/strong><\/p>\n<ul data-start=\"843\" data-end=\"1080\">\n<li data-start=\"843\" data-end=\"877\">\n<p data-start=\"845\" data-end=\"877\">Substrates for printed circuit boards (PCB)<\/p>\n<\/li>\n<li data-start=\"878\" data-end=\"936\">\n<p data-start=\"880\" data-end=\"936\">Structural and insulating parts in the electrical industry<\/p>\n<\/li>\n<li data-start=\"937\" data-end=\"977\">\n<p data-start=\"939\" data-end=\"977\">Electrical and electronic components<\/p>\n<\/li>\n<li data-start=\"978\" data-end=\"1027\">\n<p data-start=\"980\" data-end=\"1027\">Industrial automation and telecommunications<\/p>\n<\/li>\n<li data-start=\"1028\" data-end=\"1080\">\n<p data-start=\"1030\" data-end=\"1080\">Automotive electronics and household appliances<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1087\" data-end=\"1103\"><strong data-start=\"1087\" data-end=\"1101\">Standards:<\/strong><\/p>\n<ul data-start=\"1104\" data-end=\"1239\">\n<li data-start=\"1104\" data-end=\"1138\">\n<p data-start=\"1106\" data-end=\"1138\">IEC 61189 (printed circuit board tests)<\/p>\n<\/li>\n<li data-start=\"1139\" data-end=\"1169\">\n<p data-start=\"1141\" data-end=\"1169\">UL 94 V-0 (flammability class)<\/p>\n<\/li>\n<li data-start=\"1170\" data-end=\"1200\">\n<p data-start=\"1172\" data-end=\"1200\">IPC-4101 (material for PCBs)<\/p>\n<\/li>\n<li data-start=\"1201\" data-end=\"1219\">\n<p data-start=\"1203\" data-end=\"1219\">RoHS compliant<\/p>\n<\/li>\n<li data-start=\"1220\" data-end=\"1239\">\n<p data-start=\"1222\" data-end=\"1239\">REACH compliant<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1246\" data-end=\"1282\"><strong data-start=\"1246\" data-end=\"1280\">Names according to various standards:<\/strong><\/p>\n<ul data-start=\"1283\" data-end=\"1470\">\n<li data-start=\"1283\" data-end=\"1309\">\n<p data-start=\"1285\" data-end=\"1309\"><strong data-start=\"1285\" data-end=\"1292\">FR4<\/strong> (commercial name)<\/p>\n<\/li>\n<li data-start=\"1310\" data-end=\"1374\">\n<p data-start=\"1312\" data-end=\"1374\"><strong data-start=\"1312\" data-end=\"1329\">IEC 61249-2-4<\/strong> (specification for epoxy glass laminate)<\/p>\n<\/li>\n<li data-start=\"1375\" data-end=\"1406\">\n<p data-start=\"1377\" data-end=\"1406\"><strong data-start=\"1377\" data-end=\"1385\">NEMA<\/strong>: G10 (comparable)<\/p>\n<\/li>\n<li data-start=\"1407\" data-end=\"1441\">\n<p data-start=\"1409\" data-end=\"1441\"><strong data-start=\"1409\" data-end=\"1422\">UL 94 V-0<\/strong> (flammability class)<\/p>\n<\/li>\n<li data-start=\"1442\" data-end=\"1470\">\n<p data-start=\"1444\" data-end=\"1470\"><strong data-start=\"1444\" data-end=\"1468\">Epoxy glass laminate<\/strong><\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;&#8220;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>FR4 is an epoxy glass laminate with high strength and excellent electrical insulation, widely used as a base material for printed circuit boards (PCBs) and other electrical applications.<\/p>\n","protected":false},"featured_media":657,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[291],"product_tag":[],"class_list":{"0":"post-3941","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-glass-epoxy-laminates","8":"first","9":"outofstock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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