{"id":710,"date":"2025-01-26T12:29:25","date_gmt":"2025-01-26T12:29:25","guid":{"rendered":"https:\/\/tuoweiprecision.com\/?post_type=material&#038;p=710"},"modified":"2025-09-20T13:18:19","modified_gmt":"2025-09-20T13:18:19","slug":"%d9%81%d8%b14","status":"publish","type":"material","link":"https:\/\/tuoweiprecision.com\/ar\/%d8%a7%d9%84%d9%85%d9%88%d8%a7%d8%af\/%d9%81%d8%b14\/","title":{"rendered":"FR4"},"content":{"rendered":"<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <style>\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            font-size: 14px; \/* Default WordPress font size *\/\n        }\n        th, td {\n            border: 1px solid black;\n            padding: 8px;\n            text-align: left;\n        }\n        th {\n            font-weight: bold;\n        }\n        td:first-child {\n            width: 50%;\n        }\n        td:last-child {\n            width: 50%;\n        }\n    <\/style>\n<\/head>\n<body>\n\n<table>\n    <thead>\n        <tr>\n            <th>\u0627\u0644\u0645\u0645\u062a\u0644\u0643\u0627\u062a<\/th>\n            <th>\u0627\u0644\u0642\u064a\u0645\u0629<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td colspan=\"2\"><strong>\u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>\u0642\u0648\u0629 \u0627\u0644\u0634\u062f \u0627\u0644\u0642\u0635\u0648\u0649<\/td>\n            <td>240 - 310 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644<\/td>\n        <\/tr>\n        <tr>\n            <td>\u0645\u0639\u0627\u0645\u0644 \u064a\u0648\u0646\u063a (\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0645\u0631\u0648\u0646\u0629)<\/td>\n            <td>12 - 27 \u062c\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644<\/td>\n        <\/tr>\n        <tr>\n            <td>\u0627\u0644\u0627\u0633\u062a\u0637\u0627\u0644\u0629 \u0639\u0646\u062f \u0627\u0644\u0627\u0633\u062a\u0631\u0627\u062d\u0629<\/td>\n            <td>0.008 &#8211; 0.01 %<\/td>\n        <\/tr>\n        <tr>\n            <td>\u0627\u0644\u0635\u0644\u0627\u0628\u0629<\/td>\n            <td>100 - 110 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u0628\u0634\u0631\u064a\u0629<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0626\u064a\u0629<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629<\/td>\n            <td>\u062c\u064a\u062f<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>\u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0644\u0644\u062e\u062f\u0645\u0629<\/td>\n            <td>122 - 145 \u00b0C<\/td>\n        <\/tr>\n        <tr>\n            <td>\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/td>\n            <td>9.9 - 11.9 \u00d7 10<sup>-6<\/sup>\/ \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n        <\/tr>\n        <tr>\n            <td>\u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/td>\n            <td>0.29 - 0.34 \u0648\u0627\u0637\/(\u0645 \u22c5 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629)<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0628\u064a\u0626\u0629 \u0648\u0627\u0644\u0635\u062d\u0629 \u0648\u0627\u0644\u0633\u0644\u0627\u0645\u0629<\/td>\n            <td>\u0644\u0627 \u064a\u0648\u062c\u062f<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629<\/td>\n            <td>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/td>\n        <\/tr>\n        <tr>\n            <td>\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062d\u0648\u0627\u0633\u064a\u0628 \u0627\u0644\u0634\u062e\u0635\u064a\u0629<\/td>\n            <td><\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>Property Value Mechanical Properties Ultimate tensile strength 240 &#8211; 310 MPa Young&#8217;s modulus (modulus of elasticity) 12 &#8211; 27 GPa Elongation at break 0.008 &#8211; 0.01 % Hardness 100 &#8211; 110 HRM Physical Properties UV resistance Good Thermal Properties Maximum service temperature 122 &#8211; 145 \u00b0C Thermal expansion coefficient 9.9 &#8211; 11.9 \u00d7 10-6\/\u00baC Thermal [&hellip;]<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"FR4 - High-Performance Epoxy Glass Laminates","_seopress_titles_desc":"FR4 is a durable, high-performance material used in PCBs and electrical insulation. Ideal for applications requiring strength, stability, and heat resistance.","_seopress_robots_index":"","footnotes":""},"material-category":[35,37],"class_list":["post-710","material","type-material","status-publish","format-standard","hentry","material-category-cnc-machining-plastics","material-category-fr4"],"acf":[],"_links":{"self":[{"href":"https:\/\/tuoweiprecision.com\/ar\/wp-json\/wp\/v2\/material\/710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tuoweiprecision.com\/ar\/wp-json\/wp\/v2\/material"}],"about":[{"href":"https:\/\/tuoweiprecision.com\/ar\/wp-json\/wp\/v2\/types\/material"}],"version-history":[{"count":1,"href":"https:\/\/tuoweiprecision.com\/ar\/wp-json\/wp\/v2\/material\/710\/revisions"}],"predecessor-version":[{"id":17647,"href":"https:\/\/tuoweiprecision.com\/ar\/wp-json\/wp\/v2\/material\/710\/revisions\/17647"}],"wp:attachment":[{"href":"https:\/\/tuoweiprecision.com\/ar\/wp-json\/wp\/v2\/media?parent=710"}],"wp:term":[{"taxonomy":"material-category","embeddable":true,"href":"https:\/\/tuoweiprecision.com\/ar\/wp-json\/wp\/v2\/material-category?post=710"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}