{"id":5601,"date":"2025-08-05T07:20:08","date_gmt":"2025-08-05T07:20:08","guid":{"rendered":"https:\/\/www.jinyupaint.com\/?p=5601"},"modified":"2025-08-05T07:26:25","modified_gmt":"2025-08-05T07:26:25","slug":"how-many-hours-is-a-class-a-fire-rating","status":"publish","type":"post","link":"https:\/\/www.jinyupaint.com\/ar\/how-many-hours-is-a-class-a-fire-rating.html","title":{"rendered":"\u0643\u0645 \u0639\u062f\u062f \u0633\u0627\u0639\u0627\u062a \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u064a\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 \u0623\u061f"},"content":{"rendered":"<p>\u064a\u0648\u0641\u0631 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A \u0644\u0644\u062d\u0631\u064a\u0642 \u0639\u0627\u062f\u0629\u064b \u0645\u0646 30 \u0625\u0644\u0649 120 \u062f\u0642\u064a\u0642\u0629 \u0645\u0646 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0631\u0627\u0626\u0642\u060c \u0648\u0647\u0648 \u0645\u0627 \u064a\u0645\u062b\u0644 \u0623\u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0648\u0627\u062f \u0627\u0644\u0628\u0646\u0627\u0621 \u0644\u0644\u062d\u0631\u064a\u0642. \u062a\u0633\u0645\u062d \u0647\u0630\u0647 \u0627\u0644\u0645\u062f\u0629 \u0628\u0627\u0644\u0625\u062e\u0644\u0627\u0621 \u0627\u0644\u0622\u0645\u0646 \u0648\u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0644\u0645\u0643\u0627\u0641\u062d\u0629 \u0627\u0644\u062d\u0631\u0627\u0626\u0642. \u064a\u0639\u062a\u0645\u062f \u0648\u0642\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062f\u0642\u064a\u0642 \u0639\u0644\u0649 \u0633\u064f\u0645\u0643 \u0627\u0644\u0645\u0627\u062f\u0629 \u0648\u062c\u0648\u062f\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0628\u064a\u0626\u064a\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-introduction\">1. \u0645\u0642\u062f\u0645\u0629<\/h2>\n\n\n\n<p>\u0641\u064a \u0645\u062c\u0627\u0644 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0646\u0634\u0627\u0626\u064a\u0629 \u0648\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0631\u0627\u0626\u0642\u060c \u064a\u0639\u062f \u0641\u0647\u0645 \u0645\u062f\u0629 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A \u0648\u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0627\u0644\u0645\u0639\u0645\u0627\u0631\u064a\u064a\u0646 \u0648\u0627\u0644\u0645\u0642\u0627\u0648\u0644\u064a\u0646 \u0648\u0623\u0635\u062d\u0627\u0628 \u0627\u0644\u0645\u0628\u0627\u0646\u064a. \u064a\u0633\u0627\u0639\u062f \u0646\u0638\u0627\u0645 \u062a\u0635\u0646\u064a\u0641 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0647\u0630\u0627 \u0641\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646\u0647\u0627 \u062a\u062d\u0645\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0634\u062f\u064a\u062f\u0629 \u0648\u0627\u0644\u0644\u0647\u0628 \u0641\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u0627\u062a \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642.<\/p>\n\n\n\n<p>\u0633\u0648\u0627\u0621\u064b \u0643\u0646\u062a \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u062a\u0635\u0645\u064a\u0645 \u0645\u0628\u0646\u0649 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u062d\u0631\u064a\u0642\u060c \u0623\u0648 \u062a\u0644\u0628\u064a\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0643\u0648\u062f \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u062d\u0631\u064a\u0642\u060c \u0623\u0648 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0648\u0627\u062f \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642\u060c \u0641\u0625\u0646 \u0645\u0639\u0631\u0641\u0629 \u0627\u0644\u0645\u062f\u0629 \u0627\u0644\u062a\u064a \u062a\u062f\u0648\u0645 \u0641\u064a\u0647\u0627 \u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A\u060c \u0648\u0627\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642\u060c \u0648\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0623\u062e\u0631\u0649 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0646\u0642\u0630 \u0627\u0644\u0623\u0631\u0648\u0627\u062d \u0648\u0627\u0644\u0645\u0645\u062a\u0644\u0643\u0627\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-what-is-a-class-a-fire-rating\">2. \u0645\u0627 \u0647\u0648 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u064a\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 \u0623\u061f <\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-definition-and-testing-standards\">\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062a\u0639\u0631\u064a\u0641 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631<\/h3>\n\n\n\n<p>\u062a\u0645\u062b\u0644 \u0627\u0644\u0641\u0626\u0629 A \u0623\u0641\u0636\u0644 \u062a\u0635\u0646\u064a\u0641 \u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0648\u0641\u0642\u0627\u064b \u0644\u0647\u0630\u0647 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ASTM E84<\/strong>\u00a0(\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0627\u062d\u062a\u0631\u0627\u0642 \u0627\u0644\u0633\u0637\u062d\u064a)<\/li>\n\n\n\n<li><strong>UL 723<\/strong>\u00a0(\u0645\u0639\u064a\u0627\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0627\u062d\u062a\u0631\u0627\u0642 \u0627\u0644\u0633\u0637\u062d\u064a)<\/li>\n\n\n\n<li><strong>NFPA 255<\/strong>\u00a0(\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0627\u062d\u062a\u0631\u0627\u0642 \u0627\u0644\u0633\u0637\u062d\u064a)<\/li>\n<\/ul>\n\n\n\n<p>\u062a\u0642\u064a\u0651\u0645 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u062b\u0646\u064a\u0646 \u0645\u0646 \u0627\u0644\u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u0644\u0645\u0647\u0645\u0629:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u0645\u0624\u0634\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0644\u0644\u0647\u0628 (FSI) \u2264 25<\/strong>\u00a0- \u064a\u0642\u064a\u0633 \u0645\u062f\u0649 \u0633\u0631\u0639\u0629 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0646\u0627\u0631<\/li>\n\n\n\n<li><strong>\u0645\u0624\u0634\u0631 \u062a\u0637\u0648\u0631 \u0627\u0644\u062f\u062e\u0627\u0646 (SDI) \u2264 450<\/strong>\u00a0- \u062a\u062d\u062f\u064a\u062f \u0643\u0645\u064a\u0629 \u0625\u0646\u062a\u0627\u062c \u0627\u0644\u062f\u062e\u0627\u0646<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-fire-rating-classification-comparison-added-table\">\u0645\u0642\u0627\u0631\u0646\u0629 \u062a\u0635\u0646\u064a\u0641 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 (\u062c\u062f\u0648\u0644 \u0645\u0636\u0627\u0641)<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0641\u0626\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0641<\/th><th>\u0645\u0624\u0634\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0644\u0644\u0647\u0628<\/th><th>\u0645\u0624\u0634\u0631 \u0627\u0644\u062f\u062e\u0627\u0646 \u0627\u0644\u0645\u062a\u0637\u0648\u0631<\/th><th>\u0648\u0642\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th><th>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/th><\/tr><\/thead><tbody><tr><td>\u0627\u0644\u0641\u0626\u0629 \u0623<\/td><td>0-25<\/td><td>\u2264450<\/td><td>30-120 \u062f\u0642\u064a\u0642\u0629<\/td><td>\u0627\u0644\u0645\u0633\u062a\u0634\u0641\u064a\u0627\u062a\u060c \u0648\u0627\u0644\u0645\u062e\u0627\u0631\u062c\u060c \u0648\u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u062d\u0627\u0645\u0644\u0629<\/td><\/tr><tr><td>\u0627\u0644\u0641\u0626\u0629 \u0628<\/td><td>26-75<\/td><td>\u2264450<\/td><td>20-60 \u062f\u0642\u064a\u0642\u0629<\/td><td>\u0627\u0644\u0645\u0645\u0631\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629 \u0648\u0627\u0644\u0645\u0633\u0627\u062d\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/td><\/tr><tr><td>\u0627\u0644\u0641\u0626\u0629 C<\/td><td>76-200<\/td><td>\u2264450<\/td><td>10-30 \u062f\u0642\u064a\u0642\u0629<\/td><td>\u0647\u064a\u0627\u0643\u0644 \u0645\u0624\u0642\u062a\u0629\u060c \u0628\u0639\u0636 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-key-properties-of-class-a-materials\">\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0641\u0626\u0629 A<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u062f\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u064a\u0642<\/strong>: 0.5 - 2 \u0633\u0627\u0639\u0629 \u0639\u0627\u062f\u0629\u064b<\/li>\n\n\n\n<li><strong>\u0645\u0648\u0627\u062f \u063a\u064a\u0631 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0627\u062d\u062a\u0631\u0627\u0642<\/strong>: \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0643\u0648\u0646 \u0630\u0627\u062a \u0623\u0633\u0627\u0633 \u0645\u0639\u062f\u0646\u064a<\/li>\n\n\n\n<li><strong>\u062a\u062d\u0645\u0651\u0644 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/strong>: \u064a\u062a\u062d\u0645\u0644 \u0623\u0643\u062b\u0631 \u0645\u0646 1000 \u062f\u0631\u062c\u0629 \u0641\u0647\u0631\u0646\u0647\u0627\u064a\u062a \u0644\u0644\u0641\u062a\u0631\u0629 \u0627\u0644\u0645\u0642\u062f\u0631\u0629<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629<\/strong>: \u062e\u0644\u0627\u0644 \u0641\u062a\u0631\u0629 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u064a\u0642 \u0628\u0627\u0644\u0643\u0627\u0645\u0644<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-how-long-does-protection-last\">3. \u0645\u0627 \u0647\u064a \u0645\u062f\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629\u061f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-protection-time-by-material-type\">\u0648\u0642\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u062d\u0633\u0628 \u0646\u0648\u0639 \u0627\u0644\u0645\u0627\u062f\u0629<\/h3>\n\n\n\n<p>\u062a\u0648\u0641\u0631 \u0645\u0648\u0627\u062f \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642 \u0641\u062a\u0631\u0627\u062a \u062d\u0645\u0627\u064a\u0629 \u0645\u062a\u0641\u0627\u0648\u062a\u0629:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u062c\u0628\u0633 \u0627\u0644\u062d\u0627\u0626\u0637\u064a\u0629<\/strong>\u00a0(\u0627\u0644\u0646\u0648\u0639 X): 1 \u0633\u0627\u0639\u0629 \u0644\u0643\u0644 \u0637\u0628\u0642\u0629 5\/8 \u0628\u0648\u0635\u0629<\/li>\n\n\n\n<li><strong>\u0645\u0627\u062f\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642 \u0645\u0637\u0628\u0642\u0629 \u0628\u0627\u0644\u0631\u0634<\/strong>: 1-3 \u0633\u0627\u0639\u0627\u062a \u062d\u0633\u0628 \u0627\u0644\u0633\u064f\u0645\u0643<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u0641\u062e\u0629<\/strong>: \u0627\u0644\u062a\u0648\u0633\u0639\u0629 \u0644\u062a\u0648\u0641\u064a\u0631 \u062d\u0627\u062c\u0632 \u0644\u0645\u062f\u0629 30-120 \u062f\u0642\u064a\u0642\u0629<\/li>\n\n\n\n<li><strong>\u0632\u062c\u0627\u062c \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u062d\u0631\u064a\u0642<\/strong>: 45-120 \u062f\u0642\u064a\u0642\u0629 \u0641\u064a \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u062c\u0645\u064a\u0639\u0627\u062a \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u064a\u0629<\/strong>:: 2-4 \u0633\u0627\u0639\u0627\u062a \u0644\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0633\u0645\u064a\u0643\u0629<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-factors-affecting-fire-rating-duration\">\u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0645\u0624\u062b\u0631\u0629 \u0641\u064a \u0645\u062f\u0629 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0626\u0642<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u0633\u064f\u0645\u0643 \u0627\u0644\u0645\u0627\u062f\u0629<\/strong>: \u0643\u062a\u0644\u0629 \u0623\u0643\u0628\u0631 = \u062d\u0645\u0627\u064a\u0629 \u0623\u0637\u0648\u0644<\/li>\n\n\n\n<li><strong>\u062c\u0648\u062f\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/strong>: \u0627\u0644\u062b\u063a\u0631\u0627\u062a \u062a\u0642\u0644\u0644 \u0645\u0646 \u0627\u0644\u0641\u0639\u0627\u0644\u064a\u0629<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0639\u0631\u0636 \u0627\u0644\u0628\u064a\u0626\u064a<\/strong>: \u0642\u062f \u062a\u0624\u062f\u064a \u0627\u0644\u0631\u0637\u0648\u0628\u0629\/\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0625\u0644\u0649 \u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0623\u062f\u0627\u0621<\/li>\n\n\n\n<li><strong>\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u062c\u0645\u064a\u0639<\/strong>: \u0645\u0643\u0648\u0646\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u062a\u0639\u0645\u0644 \u0645\u0639\u064b\u0627<\/li>\n\n\n\n<li><strong>\u062d\u0627\u0644\u0629 \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/strong>: \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0623\u0636\u0631\u0627\u0631 \u0627\u0644\u062a\u064a \u062a\u0624\u062b\u0631 \u0639\u0644\u0649 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0623\u0636\u0631\u0627\u0631<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-applications-of-class-a-fire-rated-materials\">4. \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 \u0623<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-critical-infrastructure-needs\">\u0627\u062d\u062a\u064a\u0627\u062c\u0627\u062a \u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u062d\u062a\u064a\u0629 \u0627\u0644\u062d\u0631\u062c\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642 \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0634\u0641\u064a\u0627\u062a<\/strong>:: 2 \u0633\u0627\u0639\u0629 \u0643\u062d\u062f \u0623\u062f\u0646\u0649 \u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0645\u0631\u0636\u0649<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062c\u062f\u0631\u0627\u0646 \u0627\u0644\u0639\u0627\u0632\u0644\u0629 \u0644\u0644\u062d\u0631\u064a\u0642<\/strong>\u00a0\u0641\u064a \u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0627\u0644\u0634\u0627\u0647\u0642\u0629 \u062a\u0642\u064a\u064a\u0645\u0627\u062a 1-3 \u0633\u0627\u0639\u0627\u062a<\/li>\n\n\n\n<li><strong>\u0623\u0628\u0648\u0627\u0628 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642<\/strong>:: \u062a\u0642\u064a\u064a\u0645\u0627\u062a 90 \u062f\u0642\u064a\u0642\u0629 \u0644\u0644\u0633\u0644\u0627\u0644\u0645<\/li>\n\n\n\n<li><strong>\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0631\u0627\u0626\u0642<\/strong>: \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u062d\u0627\u0626\u0637\/\u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0639\u0646\u062f \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642\u0627\u062a<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-special-hazard-areas\">\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0623\u062e\u0637\u0627\u0631 \u0627\u0644\u062e\u0627\u0635\u0629<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u063a\u0631\u0641 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/strong>: \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u0625\u062d\u0627\u0637\u0629 \u0644\u0645\u062f\u0629 \u0633\u0627\u0639\u0629 \u0648\u0627\u062d\u062f\u0629 \u0643\u062d\u062f \u0623\u062f\u0646\u0649<\/li>\n\n\n\n<li><strong>\u0645\u0633\u0627\u0631\u0627\u062a \u0627\u0644\u062e\u0631\u0648\u062c<\/strong>: \u0645\u062d\u0645\u064a\u0629 \u0628\u0645\u0648\u0627\u062f \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 \u0623<\/li>\n\n\n\n<li><strong>\u0645\u062e\u0645\u062f\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0642 HVAC<\/strong>: \u0645\u0635\u0646\u0641\u0629 \u0644\u062a\u062a\u0646\u0627\u0633\u0628 \u0645\u0639 \u0648\u0642\u062a \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u062c\u062f\u0627\u0631<\/li>\n\n\n\n<li><strong>\u0639\u0627\u0632\u0644 \u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u062d\u0631\u064a\u0642<\/strong>: \u0641\u064a \u0627\u0644\u0639\u0644\u064a\u0629 \u0648\u0627\u0644\u0623\u0645\u0627\u0643\u0646 \u0627\u0644\u0645\u062e\u0641\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-selecting-class-a-products\">5. \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0641\u0626\u0629 (\u0623)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-certification-requirements\">\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0635\u062f\u064a\u0642<\/h3>\n\n\n\n<p>\u0627\u0628\u062d\u062b \u0639\u0646 \u0647\u0630\u0647 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631&nbsp;<strong>\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0645\u0639\u062a\u0645\u062f \u0645\u0646 UL<\/strong>\u00a0\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0626\u0642<\/li>\n\n\n\n<li><strong>\u0627\u0646\u062a\u0631\u062a\u0643 \u0648\u0627\u0631\u0646\u0648\u0643 \u0647\u064a\u0631\u0633\u064a<\/strong>\u00a0\u0627\u0644\u0642\u0648\u0627\u0626\u0645<\/li>\n\n\n\n<li><strong>\u0645\u0639\u062a\u0645\u062f \u0645\u0646 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0639\u0644\u0627\u0642\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629<\/strong>\u00a0\u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a<\/li>\n\n\n\n<li><strong>\u062a\u0642\u0627\u0631\u064a\u0631 \u062a\u0642\u064a\u064a\u0645 ICC-ES<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cost-vs-performance-considerations\">\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0645\u0642\u0627\u0628\u0644 \u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621<\/h3>\n\n\n\n<p>\u0641\u064a \u062d\u064a\u0646 \u0623\u0646&nbsp;<strong>\u062a\u0643\u0627\u0644\u064a\u0641 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0626\u0642<\/strong>&nbsp;\u0623\u0639\u0644\u0649 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0641\u0626\u0629 A\u060c \u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0623\u0642\u0633\u0627\u0637 \u0627\u0644\u062a\u0623\u0645\u064a\u0646 \u0627\u0644\u0645\u062e\u0641\u0636\u0629<\/li>\n\n\n\n<li>\u0627\u0646\u062e\u0641\u0627\u0636 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0645\u0633\u0624\u0648\u0644\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0640\u00a0<strong>\u0642\u0648\u0627\u0646\u064a\u0646 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0645\u0646 \u0627\u0644\u062d\u0631\u0627\u0626\u0642<\/strong><\/li>\n\n\n\n<li>\u0639\u0645\u0631 \u0623\u0637\u0648\u0644 \u0644\u0644\u0645\u0628\u0646\u0649<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-6-maintenance-requirements\">6. \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/h2>\n\n\n\n<p>\u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649&nbsp;<strong>\u0633\u0644\u0627\u0645\u0629 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0626\u0642<\/strong>:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0627\u0644\u0633\u0646\u0648\u064a\u0629<\/strong>\u00a0\u0645\u0646 \u062d\u0648\u0627\u062c\u0632 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0631\u0627\u0626\u0642<\/li>\n\n\n\n<li><strong>\u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0627\u0644\u0641\u0648\u0631\u064a<\/strong>\u00a0\u0645\u0646 \u0623\u064a \u0636\u0631\u0631<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0648\u062b\u064a\u0642<\/strong>\u00a0\u0645\u0646 \u062c\u0645\u064a\u0639 \u0627\u0644\u062a\u0639\u062f\u064a\u0644\u0627\u062a<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0642\u064a\u064a\u0645\u0627\u062a \u0627\u0644\u0645\u0647\u0646\u064a\u0629<\/strong>\u00a0\u0628\u0639\u062f \u0627\u0644\u062a\u062c\u062f\u064a\u062f\u0627\u062a<\/li>\n\n\n\n<li><strong>\u062e\u062a\u0645 \u0627\u0644\u0627\u062e\u062a\u0631\u0627\u0642<\/strong>\u00a0\u062d\u0633\u0628 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/li>\n<\/ol>\n\n\n\n<p>\u0625\u0646 \u0641\u0647\u0645 \u0623\u0646 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A \u062a\u0648\u0641\u0631 \u062d\u0645\u0627\u064a\u0629 \u0644\u0645\u062f\u0629 30-120 \u062f\u0642\u064a\u0642\u0629 \u064a\u0633\u0627\u0639\u062f \u0627\u0644\u0645\u0647\u0646\u064a\u064a\u0646 \u0639\u0644\u0649 \u062a\u0635\u0645\u064a\u0645 \u0645\u0628\u0627\u0646\u064d \u0623\u0643\u062b\u0631 \u0623\u0645\u0627\u0646\u0627\u064b. \u0645\u0648\u0627\u062f \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u064a\u0642 \u0647\u0630\u0647 \u0636\u0631\u0648\u0631\u064a\u0629 \u0644\u062a\u0644\u0628\u064a\u0629 \u0645\u0639\u0627\u064a\u064a\u0631 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0645\u0646 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0641\u064a \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0648\u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u0627\u0644\u0645\u0624\u0633\u0633\u064a\u0629.<\/p>","protected":false},"excerpt":{"rendered":"<p>A Class A fire rating typically provides 30 to 120 minutes of fire protection, representing [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5603,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[1],"tags":[602,340,605],"class_list":["post-5601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-class-a-fire-rating","tag-fire-retardant-paint","tag-what-is-class-a-fire-rated"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Many Hours Is a Class A Fire Rating? - KAIDA PAINT\u00ae<\/title>\n<meta name=\"description\" content=\"Learn how long Class A fire ratings last (30-120 minutes), their ASTM E84 testing standards, and where to use them in buildings. Compare Class A\/B\/C fire resistance levels and get product selection tips.\" \/>\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.jinyupaint.com\/ar\/how-many-hours-is-a-class-a-fire-rating.html\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Many Hours Is a Class A Fire Rating?\" \/>\n<meta property=\"og:description\" content=\"Learn how long Class A fire ratings last (30-120 minutes), their ASTM E84 testing standards, and where to use them in buildings. Compare Class A\/B\/C fire resistance levels and get product selection tips.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.jinyupaint.com\/ar\/how-many-hours-is-a-class-a-fire-rating.html\/\" \/>\n<meta property=\"og:site_name\" content=\"KAIDA PAINT\u00ae\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-05T07:20:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-05T07:26:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.jinyupaint.com\/wp-content\/uploads\/2025\/08\/how-many-hours-is-a-class-a-fire-rating.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"jinyupaint\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629\" \/>\n\t<meta name=\"twitter:data1\" content=\"jinyupaint\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u062f\u0642\u0627\u0626\u0642\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html\",\"url\":\"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html\",\"name\":\"How Many Hours Is a Class A Fire Rating? - KAIDA PAINT\u00ae\",\"isPartOf\":{\"@id\":\"https:\/\/www.jinyupaint.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.jinyupaint.com\/wp-content\/uploads\/2025\/08\/how-many-hours-is-a-class-a-fire-rating.jpg\",\"datePublished\":\"2025-08-05T07:20:08+00:00\",\"dateModified\":\"2025-08-05T07:26:25+00:00\",\"author\":{\"@id\":\"https:\/\/www.jinyupaint.com\/#\/schema\/person\/c180feaa2102b492d985efe62f9cb01b\"},\"description\":\"Learn how long Class A fire ratings last (30-120 minutes), their ASTM E84 testing standards, and where to use them in buildings. Compare Class A\/B\/C fire resistance levels and get product selection tips.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#breadcrumb\"},\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#primaryimage\",\"url\":\"https:\/\/www.jinyupaint.com\/wp-content\/uploads\/2025\/08\/how-many-hours-is-a-class-a-fire-rating.jpg\",\"contentUrl\":\"https:\/\/www.jinyupaint.com\/wp-content\/uploads\/2025\/08\/how-many-hours-is-a-class-a-fire-rating.jpg\",\"width\":800,\"height\":600,\"caption\":\"how many hours is a class a fire rating\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.jinyupaint.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How Many Hours Is a Class A Fire Rating?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.jinyupaint.com\/#website\",\"url\":\"https:\/\/www.jinyupaint.com\/\",\"name\":\"JINYU\u00ae PAINT\",\"description\":\"JINYU PAINT\u00ae Manufacturer\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.jinyupaint.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ar\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.jinyupaint.com\/#\/schema\/person\/c180feaa2102b492d985efe62f9cb01b\",\"name\":\"jinyupaint\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/www.jinyupaint.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/www.jinyupaint.com\/wp-content\/litespeed\/avatar\/b702e163685e9eae5ab604489f61127a.jpg?ver=1777006880\",\"contentUrl\":\"https:\/\/www.jinyupaint.com\/wp-content\/litespeed\/avatar\/b702e163685e9eae5ab604489f61127a.jpg?ver=1777006880\",\"caption\":\"jinyupaint\"},\"sameAs\":[\"https:\/\/www.jinyupaint.com\"],\"url\":\"https:\/\/www.jinyupaint.com\/ar\/author\/jinyupaint\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u0643\u0645 \u0639\u062f\u062f \u0633\u0627\u0639\u0627\u062a \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u064a\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A\u061f - \u0637\u0644\u0627\u0621 KAIDA PAINT\u00ae","description":"\u062a\u0639\u0631\u0651\u0641 \u0639\u0644\u0649 \u0645\u062f\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A (30-120 \u062f\u0642\u064a\u0642\u0629)\u060c \u0648\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 ASTM E84\u060c \u0648\u0623\u0645\u0627\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0627 \u0641\u064a \u0627\u0644\u0645\u0628\u0627\u0646\u064a. \u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A\/B\/C \u0648\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0646\u0635\u0627\u0626\u062d \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.jinyupaint.com\/ar\/how-many-hours-is-a-class-a-fire-rating.html\/","og_locale":"ar_AR","og_type":"article","og_title":"How Many Hours Is a Class A Fire Rating?","og_description":"Learn how long Class A fire ratings last (30-120 minutes), their ASTM E84 testing standards, and where to use them in buildings. Compare Class A\/B\/C fire resistance levels and get product selection tips.","og_url":"https:\/\/www.jinyupaint.com\/ar\/how-many-hours-is-a-class-a-fire-rating.html\/","og_site_name":"KAIDA PAINT\u00ae","article_published_time":"2025-08-05T07:20:08+00:00","article_modified_time":"2025-08-05T07:26:25+00:00","og_image":[{"width":800,"height":600,"url":"https:\/\/www.jinyupaint.com\/wp-content\/uploads\/2025\/08\/how-many-hours-is-a-class-a-fire-rating.jpg","type":"image\/jpeg"}],"author":"jinyupaint","twitter_card":"summary_large_image","twitter_misc":{"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629":"jinyupaint","\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631":"3 \u062f\u0642\u0627\u0626\u0642"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["WebPage","FAQPage"],"@id":"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html","url":"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html","name":"\u0643\u0645 \u0639\u062f\u062f \u0633\u0627\u0639\u0627\u062a \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062d\u0631\u064a\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A\u061f - \u0637\u0644\u0627\u0621 KAIDA PAINT\u00ae","isPartOf":{"@id":"https:\/\/www.jinyupaint.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#primaryimage"},"image":{"@id":"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#primaryimage"},"thumbnailUrl":"https:\/\/www.jinyupaint.com\/wp-content\/uploads\/2025\/08\/how-many-hours-is-a-class-a-fire-rating.jpg","datePublished":"2025-08-05T07:20:08+00:00","dateModified":"2025-08-05T07:26:25+00:00","author":{"@id":"https:\/\/www.jinyupaint.com\/#\/schema\/person\/c180feaa2102b492d985efe62f9cb01b"},"description":"\u062a\u0639\u0631\u0651\u0641 \u0639\u0644\u0649 \u0645\u062f\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A (30-120 \u062f\u0642\u064a\u0642\u0629)\u060c \u0648\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 ASTM E84\u060c \u0648\u0623\u0645\u0627\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0627 \u0641\u064a \u0627\u0644\u0645\u0628\u0627\u0646\u064a. \u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0626\u0642 \u0645\u0646 \u0627\u0644\u0641\u0626\u0629 A\/B\/C \u0648\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0646\u0635\u0627\u0626\u062d \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0646\u062a\u062c.","breadcrumb":{"@id":"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#breadcrumb"},"inLanguage":"ar","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html"]}]},{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#primaryimage","url":"https:\/\/www.jinyupaint.com\/wp-content\/uploads\/2025\/08\/how-many-hours-is-a-class-a-fire-rating.jpg","contentUrl":"https:\/\/www.jinyupaint.com\/wp-content\/uploads\/2025\/08\/how-many-hours-is-a-class-a-fire-rating.jpg","width":800,"height":600,"caption":"how many hours is a class a fire rating"},{"@type":"BreadcrumbList","@id":"https:\/\/www.jinyupaint.com\/how-many-hours-is-a-class-a-fire-rating.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.jinyupaint.com\/"},{"@type":"ListItem","position":2,"name":"How Many Hours Is a Class A Fire Rating?"}]},{"@type":"WebSite","@id":"https:\/\/www.jinyupaint.com\/#website","url":"https:\/\/www.jinyupaint.com\/","name":"\u0637\u0644\u0627\u0621 JINYU\u00ae PINT","description":"\u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u0637\u0644\u0627\u0621 JINYU PAINT\u00ae","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.jinyupaint.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ar"},{"@type":"Person","@id":"https:\/\/www.jinyupaint.com\/#\/schema\/person\/c180feaa2102b492d985efe62f9cb01b","name":"\u062c\u064a\u0646\u064a\u0648\u0628\u0627\u0646\u062a","image":{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/www.jinyupaint.com\/#\/schema\/person\/image\/","url":"https:\/\/www.jinyupaint.com\/wp-content\/litespeed\/avatar\/b702e163685e9eae5ab604489f61127a.jpg?ver=1777006880","contentUrl":"https:\/\/www.jinyupaint.com\/wp-content\/litespeed\/avatar\/b702e163685e9eae5ab604489f61127a.jpg?ver=1777006880","caption":"jinyupaint"},"sameAs":["https:\/\/www.jinyupaint.com"],"url":"https:\/\/www.jinyupaint.com\/ar\/author\/jinyupaint"}]}},"_links":{"self":[{"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/posts\/5601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/comments?post=5601"}],"version-history":[{"count":1,"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/posts\/5601\/revisions"}],"predecessor-version":[{"id":5602,"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/posts\/5601\/revisions\/5602"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/media\/5603"}],"wp:attachment":[{"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/media?parent=5601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/categories?post=5601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jinyupaint.com\/ar\/wp-json\/wp\/v2\/tags?post=5601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}