{"id":8023,"date":"2026-07-23T13:46:10","date_gmt":"2026-07-23T05:46:10","guid":{"rendered":"https:\/\/www.qualitester.com\/?page_id=8023"},"modified":"2026-07-23T13:46:10","modified_gmt":"2026-07-23T05:46:10","slug":"tappi-t549","status":"publish","type":"page","link":"https:\/\/www.qualitester.com\/ar\/standards\/tappi-t549\/","title":{"rendered":"\u062a\u0627\u0628\u064a T549"},"content":{"rendered":"<p>\u062a\u0624\u062b\u0631 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0637\u062d\u064a \u0644\u0644\u0648\u0631\u0642 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0637\u0628\u0627\u0639\u0629\u060c \u0648\u0623\u062f\u0627\u0621 \u0622\u0644\u0629 \u0627\u0644\u0646\u0633\u062e\u060c \u0648\u062a\u063a\u0630\u064a\u0629 \u0627\u0644\u0623\u0648\u0631\u0627\u0642\u060c \u0648\u0627\u0633\u062a\u0642\u0631\u0627\u0631 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\u0648\u0631\u0642\u064a\u064a\u0646<\/td>\n<td>\u064a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0623\u0648\u0631\u0627\u0642\u060c \u0648\u0641\u0635\u0644 \u0627\u0644\u0623\u0643\u0648\u0627\u0645\u060c \u0648\u0645\u0646\u0639 \u0627\u0644\u062a\u063a\u0630\u064a\u0629 \u0627\u0644\u0645\u0632\u062f\u0648\u062c\u0629<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u062d\u0631\u0643\u064a (COF)<\/strong><\/td>\n<td>\u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u0627\u0646\u0632\u0644\u0627\u0642 \u0627\u0644\u0645\u0633\u062a\u0645\u0631<\/td>\n<td>\u064a\u0624\u062b\u0631 \u0639\u0644\u0649 \u0627\u0644\u0646\u0642\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0644\u0644\u0623\u0648\u0631\u0627\u0642 \u0639\u0628\u0631 \u0627\u0644\u0637\u0627\u0628\u0639\u0627\u062a \u0648\u0622\u0644\u0627\u062a \u0627\u0644\u0646\u0633\u062e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646 \u0623\u0639\u0644\u0649 \u0645\u0646 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u062d\u0631\u0643\u064a\u060c \u0648\u0630\u0644\u0643 \u0644\u0623\u0646 \u0627\u0644\u062a\u063a\u0644\u0628 \u0639\u0644\u0649 \u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0623\u0648\u0644\u064a \u0628\u064a\u0646 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0645\u062a\u0644\u0627\u0645\u0633\u0629 \u064a\u062a\u0637\u0644\u0628 \u0642\u0648\u0629 \u0625\u0636\u0627\u0641\u064a\u0629.<\/p>\n<p>\u062a\u0639\u062f \u0647\u0627\u062a\u0627\u0646 \u0627\u0644\u0642\u064a\u0645\u062a\u0627\u0646 \u0628\u0627\u0644\u063a\u062a\u064a \u0627\u0644\u0623\u0647\u0645\u064a\u0629\u060c \u0644\u0623\u0646 \u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u064a\u062c\u0628 \u0623\u0646 \u062a\u0642\u0648\u0645 \u0623\u0648\u0644\u0627\u064b \u0628\u0641\u0635\u0644 \u0627\u0644\u0623\u0648\u0631\u0627\u0642 \u0627\u0644\u0641\u0631\u062f\u064a\u0629\u060c \u062b\u0645 \u0646\u0642\u0644\u0647\u0627 \u0628\u0633\u0644\u0627\u0633\u0629 \u0639\u0628\u0631 \u0628\u0643\u0631\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u062f\u0648\u0646 \u0623\u0646 \u062a\u0646\u0632\u0644\u0642 \u0623\u0648 \u062a\u0644\u062a\u0635\u0642.<\/p>\n<h2>\u0645\u0628\u062f\u0623 \u0627\u0644\u0642\u064a\u0627\u0633 \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u064a\u0627\u0631 TAPPI T549<\/h2>\n<p>\u0627\u0644 <strong>\u062a\u0627\u0628\u064a T549<\/strong> \u062a\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 <strong>\u0637\u0631\u064a\u0642\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0641\u064a \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0623\u0641\u0642\u064a<\/strong> \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062b \u0639\u0646\u062f\u0645\u0627 \u062a\u0646\u0632\u0644\u0642 \u0648\u0631\u0642\u0629 \u0648\u0627\u062d\u062f\u0629 \u0639\u0644\u0649 \u0648\u0631\u0642\u0629 \u0623\u062e\u0631\u0649.<\/p>\n<p>\u0639\u064a\u0646\u0629 \u0648\u0627\u062d\u062f\u0629<\/p>\n<p>\u064a\u062a\u0645 \u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0639\u064a\u0646\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0639\u0644\u0649 \u0645\u0646\u0635\u0629 \u0623\u0641\u0642\u064a\u0629 \u0635\u0644\u0628\u0629\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u062a\u0645 \u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0639\u064a\u0646\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u0639\u0644\u0649 \u0632\u0644\u0627\u062c\u0629 \u0642\u064a\u0627\u0633\u064a\u0629. \u0648\u064a\u0642\u0648\u0645 \u0645\u062d\u0631\u0643 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0628\u062a\u062d\u0631\u064a\u0643 \u0627\u0644\u0632\u0644\u0627\u062c\u0629 \u0639\u0628\u0631 \u0627\u0644\u0639\u064a\u0646\u0629 \u0627\u0644\u062b\u0627\u0628\u062a\u0629 \u0628\u0633\u0631\u0639\u0629 \u062b\u0627\u0628\u062a\u0629\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0642\u0648\u0645 \u062e\u0644\u064a\u0629 \u0627\u0644\u062d\u0645\u0644 \u0628\u062a\u0633\u062c\u064a\u0644 \u0642\u0648\u0629 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0628\u0634\u0643\u0644 \u0645\u0633\u062a\u0645\u0631.<\/p>\n<p>\u064a\u064f\u062d\u0633\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0648\u0641\u0642\u064b\u0627 \u0644\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<p><strong>\u03bc = F \/ N<\/strong><\/p>\n<p>\u0623\u064a\u0646:<\/p>\n<ul>\n<li><strong>\u0645\u064a\u0643\u0631\u0648\u0645\u062a\u0631<\/strong> = \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/li>\n<li><strong>F<\/strong> = \u0642\u0648\u0629 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0645\u0642\u0627\u0633\u0629<\/li>\n<li><strong>\u0646<\/strong> = \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0639\u0645\u0648\u062f\u064a\u0629 \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u0648\u0632\u0646 \u0627\u0644\u0632\u0644\u0627\u062c\u0629<\/li>\n<\/ul>\n<p>\u0644\u0623\u0646...<\/p>\n<p>\u0627\u0644\u0645\u0639\u0627\u0645\u0644 \u0647\u0648 \u0646\u0633\u0628\u0629 \u0628\u064a\u0646 \u0642\u0648\u062a\u064a\u0646\u060c \u0648\u0647\u0648 \u0639\u062f\u064a\u0645 \u0627\u0644\u0623\u0628\u0639\u0627\u062f.<\/p>\n<p>\u062a\u0642\u064a\u0633 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631:<\/p>\n<ul>\n<li>\u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0627\u0644\u0623\u0648\u0644\u064a\u0629 (\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646)<\/li>\n<li>\u0645\u062a\u0648\u0633\u0637 \u0642\u0648\u0629 \u0627\u0644\u0627\u0646\u0632\u0644\u0627\u0642 (\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u062d\u0631\u0643\u064a)<\/li>\n<\/ul>\n<p>\u064a\u0648\u0641\u0631 \u0647\u0630\u0627 \u0627\u0644\u0646\u0647\u062c \u0627\u0644\u0642\u0627\u0626\u0645 \u0639\u0644\u0649 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0623\u0641\u0642\u064a \u0642\u0627\u0628\u0644\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u062a\u0643\u0631\u0627\u0631 <strong>\u0637\u0631\u0642 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/strong> \u0645\u0646\u0627\u0633\u0628 \u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0645\u062e\u062a\u0628\u0631\u0627\u062a.<\/p>\n<h2 style=\"font-style: normal;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft wp-image-8026 size-medium\" style=\"font-size: 16px; font-weight: inherit;\" src=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/COF-01-Coefficient-of-Friction-Tester-1-300x300.webp\" alt=\"\u0622\u0644\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 TAPPI T549 COF-01cof\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/COF-01-Coefficient-of-Friction-Tester-1-300x300.webp 300w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/COF-01-Coefficient-of-Friction-Tester-1-150x150.webp 150w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/COF-01-Coefficient-of-Friction-Tester-1-12x12.webp 12w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/COF-01-Coefficient-of-Friction-Tester-1-100x100.webp 100w, https:\/\/www.qualitester.com\/wp-content\/uploads\/2026\/07\/COF-01-Coefficient-of-Friction-Tester-1.webp 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/h2>\n<h2>\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629<\/h2>\n<p>\u0627\u0644\u0623\u062f\u0627\u0621 <strong>\u0627\u062e\u062a\u0628\u0627\u0631 COF \u0644\u0648\u0631\u0642 \u0627\u0644\u0643\u062a\u0627\u0628\u0629 \u0648\u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0637\u0644\u064a<\/strong> \u064a\u062a\u0637\u0644\u0628 \u0630\u0644\u0643 \u0639\u062f\u0629 \u0645\u0643\u0648\u0646\u0627\u062a \u0623\u0633\u0627\u0633\u064a\u0629.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/th>\n<th>\u0627\u0644\u0648\u0638\u064a\u0641\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">\u0645\u0646\u0635\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0623\u0641\u0642\u064a\u0629<\/td>\n<td style=\"text-align: center;\">\u064a\u062f\u0639\u0645 \u0648\u0636\u0639 \u0627\u0644\u0639\u064a\u0646\u0629 \u0641\u064a \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0633\u0641\u0644\u064a<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u0632\u0644\u0627\u062c\u0629 \u0642\u064a\u0627\u0633\u064a\u0629 (200 \u00b1 5 \u063a\u0631\u0627\u0645)<\/td>\n<td style=\"text-align: center;\">\u064a\u0637\u0628\u0642 \u0642\u0648\u0629 \u0639\u0645\u0648\u062f\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u062e\u0644\u064a\u0629 \u062a\u062d\u0645\u064a\u0644 \u062f\u0642\u064a\u0642\u0629<\/td>\n<td style=\"text-align: center;\">\u064a\u0642\u064a\u0633 \u0642\u0648\u0629 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u0645\u062d\u0631\u0643 \u0630\u0648 \u0633\u0631\u0639\u0629 \u062b\u0627\u0628\u062a\u0629<\/td>\n<td style=\"text-align: center;\">\u062a\u062d\u0631\u0643 \u0627\u0644\u0632\u0644\u0627\u062c\u0629 \u0628\u0633\u0631\u0639\u0629 \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a\u0647\u0627<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u0646\u0638\u0627\u0645 \u062c\u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\n<td style=\"text-align: center;\">\u064a\u062d\u0633\u0628 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646 \u0648\u0627\u0644\u062d\u0631\u0643\u064a<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u0642\u0627\u0637\u0639 \u0627\u0644\u0639\u064a\u0646\u0627\u062a<\/td>\n<td style=\"text-align: center;\">\u062a\u0646\u062a\u062c \u0639\u064a\u0646\u0627\u062a \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u062a\u0633\u0642\u0629<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0648\u0641\u0642 <strong>\u062a\u0627\u0628\u064a T549<\/strong>, \u060c \u0632\u0644\u0627\u062c\u0629 \u064a\u0628\u0644\u063a \u0637\u0648\u0644\u0647\u0627 \u062d\u0648\u0627\u0644\u064a <strong>63.5 \u0645\u0644\u0645 \u00d7 63.5 \u0645\u0644\u0645<\/strong> \u0628\u0643\u062a\u0644\u0629 \u062a\u0628\u0644\u063a <strong>200 \u00b1 5 \u063a\u0631\u0627\u0645<\/strong> \u064a\u0648\u0641\u0631 \u0638\u0631\u0648\u0641 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0648\u062d\u062f\u0629. \u062a\u062a\u062d\u0631\u0643 \u0627\u0644\u0632\u0644\u0627\u062c\u0629 \u0628\u0633\u0631\u0639\u0629 \u062a\u0628\u0644\u063a \u062a\u0642\u0631\u064a\u0628\u064b\u0627 <strong>150 \u00b1 30 \u0645\u0644\u0645\/\u062f\u0642\u064a\u0642\u0629<\/strong>, \u060c \u0645\u0639 \u0636\u0645\u0627\u0646 \u0627\u0644\u0627\u062a\u0633\u0627\u0642 <strong>\u0642\u064a\u0627\u0633 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/strong> \u0639\u0628\u0631 \u0627\u0644\u0645\u062e\u062a\u0628\u0631\u0627\u062a.<\/p>\n<h2>\u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/h2>\n<p>\u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646\u0647 \u064a\u062c\u0648\u0632 \u0644\u0644\u0645\u062e\u062a\u0628\u0631\u0627\u062a \u0648\u0636\u0639 \u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0647\u0627\u060c \u0641\u0625\u0646 \u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0639\u0627\u0645\u0629 <strong>\u062a\u0627\u0628\u064a T549<\/strong> \u064a\u062a\u0636\u0645\u0646 \u0633\u064a\u0631 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0631\u0627\u062d\u0644 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\u0627\u0644\u0637\u0628\u0627\u0639\u0629<\/h3>\n<ul>\n<li>\u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u0623\u0648\u0641\u0633\u062a\u064a\u0629<\/li>\n<li>\u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629<\/li>\n<li>\u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/li>\n<li>\u0625\u0646\u062a\u0627\u062c \u0627\u0644\u0643\u062a\u0628<\/li>\n<\/ul>\n<p>\u064a\u0642\u0644\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0645\u0648\u062b\u0648\u0642 \u0628\u0647 \u0645\u0646 \u062d\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u063a\u0630\u064a\u0629 \u0627\u0644\u0645\u0632\u062f\u0648\u062c\u0629 \u0648\u064a\u062d\u0633\u0646 \u0639\u0645\u0644\u064a\u0629 \u0646\u0642\u0644 \u0627\u0644\u0623\u0648\u0631\u0627\u0642.<\/p>\n<h3>\u062a\u0635\u0646\u064a\u0639 \u0648\u0631\u0642 \u0627\u0644\u0645\u0643\u0627\u062a\u0628<\/h3>\n<p>\u062a\u062a\u0637\u0644\u0628 \u0648\u0631\u0642 \u0627\u0644\u0646\u0633\u062e \u0648\u0648\u0631\u0642 \u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u062e\u0635\u0627\u0626\u0635 \u0627\u062d\u062a\u0643\u0627\u0643 \u064a\u062a\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a\u0647\u0627 \u0628\u062f\u0642\u0629 \u0644\u062a\u0646\u0627\u0633\u0628 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u0643\u062a\u0628\u064a\u0629 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629.<\/p>\n<h3>\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0648\u0631\u0642<\/h3>\n<p>\u062a\u0642\u0648\u0645 \u0634\u0631\u0643\u0627\u062a \u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0648\u0631\u0642 \u0628\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0628\u0639\u062f \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0637\u0644\u0627\u0621 \u0623\u0648 \u0627\u0644\u0646\u0642\u0634 \u0623\u0648 \u0627\u0644\u062a\u0635\u0641\u064a\u062d \u0623\u0648 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0633\u0637\u062d\u064a\u0629.<\/p>\n<h3>\u0645\u062e\u062a\u0628\u0631\u0627\u062a \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/h3>\n<p>\u0627\u0644\u0631\u0648\u062a\u064a\u0646 <strong>\u0627\u062e\u062a\u0628\u0627\u0631 COF \u0644\u0648\u0631\u0642 \u0627\u0644\u0643\u062a\u0627\u0628\u0629 \u0648\u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0637\u0644\u064a<\/strong> \u064a\u0636\u0645\u0646 \u0627\u0644\u0627\u062a\u0633\u0627\u0642 \u0628\u064a\u0646 \u0627\u0644\u062f\u064f\u0641\u0639\u0627\u062a.<\/p>\n<h3>\u0627\u0644\u0628\u062d\u062b \u0648\u0627\u0644\u062a\u0637\u0648\u064a\u0631<\/h3>\n<p>\u064a\u0642\u0648\u0645 \u0645\u0637\u0648\u0631\u0648 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0628\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0627\u0644\u0626\u0629 \u0648\u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a \u0648\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0639\u0627\u064a\u064a\u0631 \u0645\u0648\u062d\u062f\u0629 <strong>\u0637\u0631\u0642 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/strong>.<\/p>\n<h2>\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639\u064a\u0627\u0631 TAPPI T549 \u0628\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0623\u062e\u0631\u0649<\/h2>\n<p>\u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u0639 \u0645\u0648\u0627\u062f \u0648\u0623\u0647\u062f\u0627\u0641 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u062e\u062a\u0644\u0641\u0629.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0642\u064a\u0627\u0633\u064a<\/th>\n<th>\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0648\u0644\u064a\u0629<\/th>\n<th>\u062a\u0637\u0628\u064a\u0642 \u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><strong>\u062a\u0627\u0628\u064a T549<\/strong><\/td>\n<td style=\"text-align: center;\">\u0648\u0631\u0642 \u0627\u0644\u0643\u062a\u0627\u0628\u0629 \u0648\u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0637\u0644\u064a<\/td>\n<td style=\"text-align: center;\">\u0623\u062f\u0627\u0621 \u062a\u063a\u0630\u064a\u0629 \u0627\u0644\u0648\u0631\u0642 \u0648\u0627\u0644\u0637\u0628\u0627\u0639\u0629<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u062a\u0627\u0628\u064a T815<\/td>\n<td style=\"text-align: center;\">\u0648\u0631\u0642 \u0627\u0644\u062a\u063a\u0644\u064a\u0641 \u0648\u0627\u0644\u0648\u0631\u0642 \u0627\u0644\u0645\u0642\u0648\u0649<\/td>\n<td style=\"text-align: center;\">\u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646 \u0639\u0644\u0649 \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0645\u0627\u0626\u0644<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u062a\u0627\u0628\u064a T816<\/td>\n<td style=\"text-align: center;\">\u0627\u0644\u0648\u0631\u0642 \u0627\u0644\u0645\u0642\u0648\u0649 \u0627\u0644\u0645\u0645\u0648\u062c<\/td>\n<td style=\"text-align: center;\">\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><a href=\"https:\/\/www.qualitester.com\/ar\/standards\/astm-d1894\/\" target=\"_blank\" rel=\"noopener\">ASTM D1894<\/a><\/td>\n<td style=\"text-align: center;\">\u0627\u0644\u0623\u063a\u0634\u064a\u0629 \u0627\u0644\u0628\u0644\u0627\u0633\u062a\u064a\u0643\u064a\u0629<\/td>\n<td style=\"text-align: center;\">\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646 \u0648\u0627\u0644\u062d\u0631\u0643\u064a<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">\u0627\u064a\u0632\u0648 8295<\/td>\n<td style=\"text-align: center;\">\u063a\u0644\u0627\u0641 \u0628\u0644\u0627\u0633\u062a\u064a\u0643\u064a<\/td>\n<td style=\"text-align: center;\">\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">GB\/T 10006<\/td>\n<td style=\"text-align: center;\">\u0645\u0648\u0627\u062f \u0627\u0644\u062a\u063a\u0644\u064a\u0641<\/td>\n<td style=\"text-align: center;\">\u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646 \u0648\u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u062d\u0631\u0643\u064a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u064a\u0636\u0645\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0635\u062d\u064a\u062d \u0623\u0646 \u062a\u0639\u0643\u0633 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062e\u062a\u0628\u0631 \u0628\u062f\u0642\u0629 \u0638\u0631\u0648\u0641 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0641\u0639\u0644\u064a\u0629.<\/p>\n<h2>\u0627\u062e\u062a\u064a\u0627\u0631 \u062c\u0647\u0627\u0632 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/h2>\n<p>\u0646\u0645\u0648\u0630\u062c \u0645\u062b\u0627\u0644\u064a <strong>\u0622\u0644\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/strong> \u064a\u062c\u0628 \u0623\u0646 \u062a\u0648\u0641\u0631 \u0646\u062a\u0627\u0626\u062c \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0643\u0631\u0627\u0631 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\u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646 \u0648\u0627\u0644\u062d\u0631\u0643\u064a<\/strong><\/li>\n<li><strong>\u0639\u0631\u0636 \u0645\u0646\u062d\u0646\u0649 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0641\u0639\u0644\u064a<\/strong><\/li>\n<li><strong>\u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u062a\u0635\u062f\u064a\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/strong><\/li>\n<li><strong>\u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0645\u0639\u0627\u064a\u064a\u0631 \u0645\u062a\u0639\u062f\u062f\u0629<\/strong><\/li>\n<li><strong>\u0633\u0647\u0648\u0644\u0629 \u0627\u0644\u0645\u0639\u0627\u064a\u0631\u0629 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/strong><\/li>\n<\/ul>\n<p>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0633\u062a\u0641\u064a\u062f \u0627\u0644\u0645\u062e\u062a\u0628\u0631\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062e\u062f\u0645 \u0642\u0637\u0627\u0639\u0627\u062a \u0635\u0646\u0627\u0639\u064a\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0645\u0646 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0642\u0627\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0648\u0631\u0642 \u0648\u0627\u0644\u0623\u063a\u0634\u064a\u0629 \u0648\u0627\u0644\u0645\u0646\u0633\u0648\u062c\u0627\u062a \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629 \u0648\u0645\u0648\u0627\u062f \u0627\u0644\u062a\u063a\u0644\u064a\u0641 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u062c\u0647\u064a\u0632\u0627\u062a \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0628\u062f\u064a\u0644.<\/p>\n<h2>\u0622\u0644\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 COF \u0645\u0646 \u0634\u0631\u0643\u0629 Cell Instruments \u0637\u0631\u0627\u0632 COF-01<\/h2>\n<p>\u0627\u0644 <a href=\"https:\/\/www.qualitester.com\/ar\/%d9%85%d9%86%d8%aa%d8%ac\/coefficient-of-friction-tester-cof-01\/\"><strong>COF-01 \u0622\u0644\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 COF<\/strong><\/a> \u0645\u0646 \u0634\u0631\u0643\u0629 \u00ab\u0633\u064a\u0644 \u0625\u0646\u0633\u062a\u0631\u0648\u0645\u0646\u062a\u0633\u00bb \u0645\u0635\u0645\u0645 \u0645\u0646 \u0623\u062c\u0644 \u0627\u0644\u062f\u0642\u0629 <strong>\u0642\u064a\u0627\u0633 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/strong> \u0639\u0644\u0649 \u0645\u062c\u0645\u0648\u0639\u0629 \u0648\u0627\u0633\u0639\u0629 \u0645\u0646 \u0627\u0644\u0645\u0648\u0627\u062f\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u0648\u0631\u0642\u060c \u0648\u0627\u0644\u0648\u0631\u0642 \u0627\u0644\u0645\u0642\u0648\u0649\u060c \u0648\u0627\u0644\u0623\u063a\u0634\u064a\u0629 \u0627\u0644\u0645\u0631\u0646\u0629\u060c \u0648\u0627\u0644\u0645\u0646\u0633\u0648\u062c\u0627\u062a\u060c \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0643\u0628\u0629\u060c \u0648\u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0645\u062a\u062e\u0635\u0635\u0629.<\/p>\n<p>\u062a\u0634\u0645\u0644 \u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n<ul>\n<li><strong>\u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646 \u0648\u0627\u0644\u062d\u0631\u0643\u064a<\/strong><\/li>\n<li><strong>\u062a\u0634\u063a\u064a\u0644 \u064a\u062a\u0645 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a\u0647 \u0628\u0648\u0627\u0633\u0637\u0629 \u062c\u0647\u0627\u0632 PLC \u0645\u0639 \u0648\u0627\u062c\u0647\u0629 \u062a\u0639\u0645\u0644 \u0628\u0627\u0644\u0644\u0645\u0633<\/strong><\/li>\n<li><strong>\u0645\u062d\u0631\u0643 \u0645\u062a\u062f\u0631\u062c \u0639\u0627\u0644\u064a \u0627\u0644\u062f\u0642\u0629 \u0648\u0646\u0638\u0627\u0645 \u0646\u0642\u0644 \u0628\u062d\u0631\u0643\u0629 \u0644\u0648\u0644\u0628\u064a\u0629 \u0643\u0631\u0648\u064a\u0629<\/strong><\/li>\n<li><strong>\u0627\u0644\u062c\u0645\u0639 \u0627\u0644\u062a\u0644\u0642\u0627\u0626\u064a \u0644\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0648\u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a<\/strong><\/li>\n<li><strong>\u062e\u0644\u064a\u0629 \u062a\u062d\u0645\u064a\u0644 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062f\u0642\u0629 \u0628\u0642\u064a\u0645\u0629 5 \u0646\u064a\u0648\u062a\u0646<\/strong><\/li>\n<li><strong>\u0633\u0631\u0639\u0627\u062a \u0627\u062e\u062a\u0628\u0627\u0631 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0628\u0631\u0645\u062c\u0629<\/strong><\/li>\n<li><strong>\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0645\u0639\u0627\u064a\u064a\u0631 ASTM D1894 \u0648 ISO 8295 \u0648 TAPPI T816 \u0648 GB\/T 10006\u060c \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u062a\u0643\u0648\u064a\u0646\u0627\u062a \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0639\u062f\u064a\u0644 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0648\u0631\u0642 \u0627\u0633\u062a\u0646\u0627\u062f\u064b\u0627 \u0625\u0644\u0649 \u0645\u0628\u0627\u062f\u0626 TAPPI T549<\/strong><\/li>\n<li><strong>\u0632\u0644\u0627\u062c\u0627\u062a \u0645\u062e\u0635\u0635\u0629 \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0629\u060c \u0648\u0628\u0631\u0627\u0645\u062c \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0644\u063a\u0627\u062a\u060c \u0648\u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0628\u0627\u0644\u0643\u0645\u0628\u064a\u0648\u062a\u0631 \u0627\u0644\u0634\u062e\u0635\u064a\u060c \u0648\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u0642\u0634\u064a\u0631\u060c \u0648\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0645\u062a\u062e\u0635\u0635\u0629<\/strong><\/li>\n<\/ul>\n<p>\u062a\u0635\u0645\u064a\u0645\u0647 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u064a\u062c\u0639\u0644\u0647 \u0645\u0646\u0627\u0633\u0628\u064b\u0627 \u0644\u0645\u062e\u062a\u0628\u0631\u0627\u062a \u0627\u0644\u0623\u0628\u062d\u0627\u062b\u060c \u0648\u0645\u0635\u0627\u0646\u0639 \u0627\u0644\u0648\u0631\u0642\u060c \u0648\u0634\u0631\u0643\u0627\u062a \u062a\u0635\u0646\u064a\u0639 \u0645\u0648\u0627\u062f \u0627\u0644\u062a\u063a\u0644\u064a\u0641\u060c \u0648\u0627\u0644\u062c\u0627\u0645\u0639\u0627\u062a\u060c \u0648\u0645\u0646\u0638\u0645\u0627\u062a \u0641\u062d\u0635 \u0627\u0644\u062c\u0648\u062f\u0629 \u0627\u0644\u062a\u064a \u062a\u0628\u062d\u062b \u0639\u0646 \u062c\u0647\u0627\u0632 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a <strong>\u0622\u0644\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/strong> \u0644\u0639\u062f\u0629 \u0641\u0626\u0627\u062a \u0645\u0646 \u0627\u0644\u0645\u0648\u0627\u062f.<\/p>\n<h2>\u0623\u0641\u0636\u0644 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0646\u062a\u0627\u0626\u062c \u0645\u0648\u062b\u0648\u0642\u0629<\/h2>\n<p>\u0644\u062a\u062d\u0642\u064a\u0642 \u0623\u0642\u0635\u0649 \u0642\u062f\u0631 \u0645\u0646 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0639\u0646\u062f \u062a\u0646\u0641\u064a\u0630 <strong>\u062a\u0627\u0628\u064a T549<\/strong> \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631:<\/p>\n<ul>\n<li><strong>\u0642\u0645 \u0628\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0639\u064a\u0646\u0627\u062a \u0641\u064a \u0638\u0644 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u062e\u062a\u0628\u0631\u064a\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629.<\/strong><\/li>\n<li><strong>\u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0646\u0638\u0627\u0641\u0629 \u0627\u0644\u0639\u064a\u0646\u0627\u062a \u0648\u062e\u0644\u0648\u0647\u0627 \u0645\u0646 \u0627\u0644\u062a\u0644\u0648\u062b.<\/strong><\/li>\n<li><strong>\u062a\u062d\u0642\u0642 \u0628\u0627\u0646\u062a\u0638\u0627\u0645 \u0645\u0646 \u0648\u0632\u0646 \u0627\u0644\u0632\u0644\u0627\u062c\u0629 \u0648\u0645\u0639\u0627\u064a\u0631\u0629 \u0627\u0644\u0642\u0648\u0629.<\/strong><\/li>\n<li><strong>\u062a\u062c\u0646\u0628 \u062d\u062f\u0648\u062b \u0627\u0647\u062a\u0632\u0627\u0632\u0627\u062a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631.<\/strong><\/li>\n<li><strong>\u0642\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0639\u062f\u0629 \u0642\u064a\u0627\u0633\u0627\u062a \u0645\u062a\u0643\u0631\u0631\u0629.<\/strong><\/li>\n<li><strong>\u0633\u062c\u0644 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0641\u064a \u0643\u0644 \u0627\u062e\u062a\u0628\u0627\u0631.<\/strong><\/li>\n<li><strong>\u0627\u0633\u062a\u062e\u062f\u0645 \u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0645\u0648\u062d\u062f\u0629 \u0644\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0639\u064a\u0646\u0627\u062a.<\/strong><\/li>\n<\/ul>\n<p>\u0625\u0646 \u0627\u062a\u0628\u0627\u0639 \u0647\u0630\u0647 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u064a\u062d\u0633\u0651\u0646 \u0627\u062a\u0633\u0627\u0642 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0648\u064a\u0639\u0632\u0632 \u0627\u0644\u062b\u0642\u0629 \u0641\u064a \u0642\u0631\u0627\u0631\u0627\u062a \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062c\u0648\u062f\u0629.<\/p>\n<h2>\u062e\u0627\u062a\u0645\u0629<\/h2>\n<p><strong>\u062a\u0627\u0628\u064a T549<\/strong> \u062a\u0648\u0641\u0631 \u0637\u0631\u064a\u0642\u0629 \u0645\u0648\u062b\u0648\u0642\u0629 \u0648\u0645\u0648\u062d\u062f\u0629 \u0644\u062a\u0642\u064a\u064a\u0645 \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0641\u064a \u0648\u0631\u0642 \u0627\u0644\u0643\u062a\u0627\u0628\u0629 \u0648\u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0637\u0644\u064a. \u0648\u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062f\u0642\u064a\u0642 \u0644\u0643\u0644 \u0645\u0646 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0627\u0644\u0633\u0627\u0643\u0646 \u0648\u0627\u0644\u062d\u0631\u0643\u064a\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0635\u0646\u0639\u064a\u0646 \u062a\u062d\u0633\u064a\u0646 \u0639\u0645\u0644\u064a\u0629 \u062a\u063a\u0630\u064a\u0629 \u0627\u0644\u0623\u0648\u0631\u0627\u0642\u060c \u0648\u0627\u0644\u062d\u062f \u0645\u0646 \u0639\u064a\u0648\u0628 \u0627\u0644\u0637\u0628\u0627\u0639\u0629\u060c \u0648\u062a\u062d\u0633\u064a\u0646 \u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u0648\u0631\u0642\u060c \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062c\u0648\u062f\u0629 \u0645\u0646\u062a\u062c\u0627\u062a \u0645\u062a\u0633\u0642\u0629. \u0648\u0628\u0627\u0644\u0627\u0642\u062a\u0631\u0627\u0646 \u0645\u0639 \u062a\u0642\u0646\u064a\u0629 \u062d\u062f\u064a\u062b\u0629 <strong>\u0622\u0644\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643<\/strong>, <a href=\"https:\/\/www.tappi.org\/contentassets\/58af997fbe9b4f40a7545ee183554082\/2025\/t549-b-2-d-1-sarg.pdf\" target=\"_blank\" rel=\"noopener nofollow\">\u062a\u0627\u0628\u064a T549<\/a> \u064a\u062f\u0639\u0645 \u0636\u0645\u0627\u0646 \u0627\u0644\u062c\u0648\u062f\u0629 \u0627\u0644\u0641\u0639\u0627\u0644\u060c \u0648\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a\u060c \u0648\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646\u060c \u0648\u062a\u0637\u0648\u064a\u0631 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0641\u064a \u062c\u0645\u064a\u0639 \u0645\u062c\u0627\u0644\u0627\u062a \u0635\u0646\u0627\u0639\u0627\u062a \u0627\u0644\u0648\u0631\u0642 \u0648\u0627\u0644\u0637\u0628\u0627\u0639\u0629.<\/p>","protected":false},"excerpt":{"rendered":"<p>The surface friction characteristics of paper directly influence printing efficiency, copier performance, sheet feeding, stacking stability, and overall product quality. TAPPI T549 is the internationally recognized test method for evaluating the static and kinetic coefficient of friction of uncoated writing and printing paper using the horizontal plane method. By providing standardized coefficient of friction measurement, &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/ar\/standards\/tappi-t549\/\"> <span class=\"screen-reader-text\">\u062a\u0627\u0628\u064a T549<\/span> \u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u0632\u064a\u062f \"<\/a><\/p>","protected":false},"author":9,"featured_media":8026,"parent":4948,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"class_list":["post-8023","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/pages\/8023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/comments?post=8023"}],"version-history":[{"count":5,"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/pages\/8023\/revisions"}],"predecessor-version":[{"id":8085,"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/pages\/8023\/revisions\/8085"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/pages\/4948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/media\/8026"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/ar\/wp-json\/wp\/v2\/media?parent=8023"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}