\u0627\u0644\u0623\u063a\u0634\u064a\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629\u060c \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0639\u0627\u062f\u0629\u064b \u0645\u0646 \u0645\u0648\u0627\u062f \u0645\u062b\u0644 \u0627\u0644\u0628\u0648\u0644\u064a \u0625\u064a\u062b\u064a\u0644\u064a\u0646 \u0639\u0627\u0644\u064a \u0627\u0644\u0643\u062b\u0627\u0641\u0629<\/strong>, \u0627\u0644\u0628\u0648\u0644\u064a \u0625\u062b\u064a\u0644\u064a\u0646 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 LDPE<\/strong>, \u0628\u0648\u0644\u064a \u0643\u0644\u0648\u0631\u064a\u062f \u0627\u0644\u0641\u064a\u0646\u064a\u0644<\/strong>\u060c \u0648 \u0648.\u0628.\u0628<\/strong>, \u062a\u0633\u062a\u062e\u062f\u0645 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0643\u062d\u0648\u0627\u062c\u0632 \u0641\u064a \u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0645\u062f\u0646\u064a\u0629. \u0648\u062a\u0639\u062a\u0645\u062f \u0641\u0639\u0627\u0644\u064a\u062a\u0647\u0627 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0639\u0644\u0649 \u062c\u0648\u062f\u0629 \u0627\u0644\u0644\u062d\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0631\u0628\u0637 \u0635\u0641\u0627\u0626\u062d \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u0628\u0628\u0639\u0636\u0647\u0627 \u0627\u0644\u0628\u0639\u0636. \u0644\u062a\u0642\u064a\u064a\u0645 \u0633\u0644\u0627\u0645\u0629 \u0647\u0630\u0647 \u0627\u0644\u0644\u062d\u0627\u0645\u0627\u062a<\/strong>, ASTM D6392<\/strong> \u064a\u062d\u062f\u062f \u0627\u062e\u062a\u0628\u0627\u0631\u064a\u0646 \u0631\u0626\u064a\u0633\u064a\u064a\u0646 \u0644\u0644\u062a\u062f\u0645\u064a\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u0642\u0634\u064a\u0631<\/strong> \u0648 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0642\u0635<\/strong>.<\/p>\n\n\n\n \u0627\u0644 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u0642\u0634\u064a\u0631<\/strong> \u064a\u0646\u0637\u0648\u064a \u0639\u0644\u0649 \u062a\u0639\u0631\u064a\u0636 \u062f\u0631\u0632 \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u0644\u062a\u0642\u0634\u064a\u0631 \u0628\u0632\u0627\u0648\u064a\u0629 90 \u062f\u0631\u062c\u0629. \u064a\u062a\u0645 \u0625\u0645\u0633\u0627\u0643 \u0627\u0644\u0639\u064a\u0646\u0629 \u0645\u0646 \u0643\u0644\u0627 \u0627\u0644\u0637\u0631\u0641\u064a\u0646\u060c \u0648\u064a\u062a\u0645 \u062a\u0637\u0628\u064a\u0642 \u0633\u0631\u0639\u0629 \u062b\u0627\u0628\u062a\u0629 \u0644\u0644\u0631\u0623\u0633 \u0627\u0644\u0645\u062a\u0642\u0627\u0637\u0639 \u0644\u0644\u0645\u0627\u0643\u064a\u0646\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u0648\u0627\u062f \u0645\u062b\u0644 \u0627\u0644\u0628\u0648\u0644\u064a \u0625\u064a\u062b\u064a\u0644\u064a\u0646 \u0639\u0627\u0644\u064a \u0627\u0644\u0643\u062b\u0627\u0641\u0629<\/strong>, \u0628\u0648\u0644\u064a \u0643\u0644\u0648\u0631\u064a\u062f \u0627\u0644\u0641\u064a\u0646\u064a\u0644<\/strong>\u060c \u0648 LMDPE<\/strong>, \u0641\u0625\u0646 \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0645\u0639\u062a\u0627\u062f\u0629 \u0647\u064a 50 \u0645\u0645\/\u062f\u0642\u064a\u0642\u0629<\/strong>. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0640 LLDPE<\/strong> \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0631\u0646\u0629 \u0627\u0644\u0623\u062e\u0631\u0649\u060c \u0642\u062f \u062a\u0632\u064a\u062f \u0627\u0644\u0633\u0631\u0639\u0629 \u0625\u0644\u0649 500 \u0645\u0645\/\u062f\u0642\u064a\u0642\u0629<\/strong>. \u0627\u0644\u0647\u062f\u0641 \u0645\u0646 \u0630\u0644\u0643 \u0647\u0648 \u062a\u062d\u062f\u064a\u062f \u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0644\u0641\u0635\u0644 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u0627\u0644\u0645\u062a\u0631\u0627\u0628\u0637\u0629.<\/p>\n\n\n\n \u064a\u062d\u0627\u0643\u064a \u0647\u0630\u0627 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0646\u0648\u0639 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0630\u064a \u0642\u062f \u062a\u0648\u0627\u062c\u0647\u0647 \u0627\u0644\u0623\u063a\u0634\u064a\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0641\u064a \u0627\u0644\u062d\u0642\u0644\u060c \u0645\u062b\u0644 \u0639\u0646\u062f \u062a\u0639\u0631\u0636\u0647\u0627 \u0644\u0644\u0636\u063a\u0637 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a. \u0639\u0627\u0644\u064a\u0629 \u0642\u0648\u0629 \u0627\u0644\u062a\u0642\u0634\u064a\u0631<\/strong> \u064a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0623\u0646 \u0627\u0644\u062a\u0645\u0627\u0633 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u062d\u0645\u0644 \u0642\u0648\u0649 \u0627\u0644\u0641\u0635\u0644 \u0628\u0641\u0639\u0627\u0644\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u0628\u0642\u0627\u0621 \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u0633\u0644\u064a\u0645\u064b\u0627 \u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a.<\/p>\n\n\n\n \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0642\u0635<\/strong> \u064a\u0642\u064a\u0633 \u0645\u0642\u0627\u0648\u0645\u0629 \u062f\u0631\u0632 \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u0644\u0644\u0642\u0648\u0649 \u0627\u0644\u062c\u0627\u0646\u0628\u064a\u0629. \u062e\u0644\u0627\u0644 \u0647\u0630\u0627 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u060c \u064a\u062a\u0645 \u0627\u0644\u0625\u0645\u0633\u0627\u0643 \u0628\u0639\u064a\u0646\u0629 \u0645\u0646 \u0643\u0644\u0627 \u0627\u0644\u0637\u0631\u0641\u064a\u0646\u060c \u0648\u064a\u062a\u0645 \u062a\u0637\u0628\u064a\u0642 \u0642\u0648\u0649 \u0627\u0644\u0642\u0635 \u0644\u0645\u0639\u0631\u0641\u0629 \u0645\u0642\u062f\u0627\u0631 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0644\u0625\u062d\u062f\u0627\u062b \u0641\u0634\u0644 \u0639\u0644\u0649 \u0637\u0648\u0644 \u062e\u0637 \u0627\u0644\u062a\u0645\u0627\u0633. \u064a\u0639\u062f \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0642\u0635 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0641\u0647\u0645 \u0643\u064a\u0641\u064a\u0629 \u0635\u0645\u0648\u062f \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u0639\u0646\u062f \u062a\u0639\u0631\u0636\u0647 \u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0642\u0635\u060c \u0645\u062b\u0644 \u0642\u0648\u0649 \u0627\u0644\u0627\u062d\u062a\u0643\u0627\u0643 \u0641\u064a \u0645\u062f\u0627\u0641\u0646 \u0627\u0644\u0646\u0641\u0627\u064a\u0627\u062a \u0623\u0648 \u0627\u0644\u0628\u0631\u0643.<\/p>\n\n\n\n \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0640 \u0627\u0644\u0628\u0648\u0644\u064a \u0625\u064a\u062b\u064a\u0644\u064a\u0646 \u0639\u0627\u0644\u064a \u0627\u0644\u0643\u062b\u0627\u0641\u0629<\/strong> \u0648 LMDPE<\/strong>, \u064a\u0633\u062a\u0645\u0631 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u062d\u062a\u0649 \u062a\u0633\u062a\u0637\u064a\u0644 \u0627\u0644\u0639\u064a\u0646\u0629 \u0628\u0645\u0642\u062f\u0627\u0631 50%<\/strong>. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0623\u0643\u062b\u0631 \u0645\u0631\u0648\u0646\u0629 \u0645\u062b\u0644 LLDPE<\/strong> \u0648 \u0628\u0648\u0644\u064a \u0643\u0644\u0648\u0631\u064a\u062f \u0627\u0644\u0641\u064a\u0646\u064a\u0644<\/strong>, \u064a\u0633\u062a\u0645\u0631 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u062d\u062a\u0649 \u062a\u062a\u0645\u0632\u0642 \u0627\u0644\u0639\u064a\u0646\u0629. \u0648\u0647\u0630\u0627 \u064a\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u0642\u064a\u0627\u0633 \u0642\u0648\u0629 \u0627\u0644\u0642\u0635<\/strong> \u0627\u0644\u062a\u0645\u0627\u0633\u060c \u0648\u0647\u0648 \u0623\u0645\u0631 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u062a\u062d\u062a \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629.<\/p>\n\n\n\n \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u062e\u062a\u0628\u0627\u0631\u0647\u0627 \u062a\u062d\u062a ASTM D6392<\/strong> \u064a\u0634\u0645\u0644:<\/p>\n\n\n\n \u0627\u0644\u0628\u0648\u0644\u064a \u0625\u064a\u062b\u064a\u0644\u064a\u0646 \u0639\u0627\u0644\u064a \u0627\u0644\u0643\u062b\u0627\u0641\u0629 (HDPE)<\/strong><\/p><\/li>\n\n\n\n LLDPE (\u0628\u0648\u0644\u064a \u0625\u064a\u062b\u064a\u0644\u064a\u0646 \u062e\u0637\u064a \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u062b\u0627\u0641\u0629)<\/strong><\/p><\/li>\n\n\n\n \u0643\u0644\u0648\u0631\u064a\u062f \u0627\u0644\u0628\u0648\u0644\u064a\u0641\u064a\u0646\u064a\u0644 \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0641\u064a\u0646\u064a\u0644 (PVC)<\/strong><\/p><\/li>\n\n\n\n \u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u0645\u0631\u0646 (\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u0645\u0631\u0646)<\/strong><\/p><\/li>\n\n\n\n VLDPE (\u0628\u0648\u0644\u064a \u0625\u064a\u062b\u064a\u0644\u064a\u0646 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u062b\u0627\u0641\u0629 \u0644\u0644\u063a\u0627\u064a\u0629)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n \u064a\u0642\u0648\u0645 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0623\u064a\u0636\u0627\u064b \u0628\u062a\u0642\u064a\u064a\u0645 \u0627\u0644\u0644\u062d\u0627\u0645\u0627\u062a \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0639\u0646 \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0627\u0646\u0635\u0647\u0627\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0647\u0648\u0627\u0621 \u0633\u0627\u062e\u0646<\/strong>, \u0625\u0633\u0641\u064a\u0646 \u0633\u0627\u062e\u0646<\/strong>\u060c \u0648 \u0627\u0644\u0628\u062b\u0642<\/strong>. \u062a\u062e\u0644\u0642 \u0643\u0644 \u0637\u0631\u064a\u0642\u0629 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u0642 \u0646\u0648\u0639\u064b\u0627 \u0645\u062e\u062a\u0644\u0641\u064b\u0627 \u0645\u0646 \u0627\u0644\u0631\u0648\u0627\u0628\u0637 \u0628\u064a\u0646 \u0627\u0644\u0623\u063a\u0634\u064a\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629\u060c \u0648\u062a\u0633\u0627\u0639\u062f \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0639\u0644\u0649 \u062a\u062d\u062f\u064a\u062f \u0623\u0641\u0636\u0644 \u0627\u0644\u0644\u062d\u0627\u0645\u0627\u062a \u0623\u062f\u0627\u0621\u064b \u0641\u064a \u0638\u0644 \u0638\u0631\u0648\u0641 \u0627\u0644\u0639\u0627\u0644\u0645 \u0627\u0644\u062d\u0642\u064a\u0642\u064a.<\/p>\n\n\n\n \u0627\u0644 \u0627\u062e\u062a\u0628\u0627\u0631 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a<\/strong> \u0643\u0645\u0627 \u0647\u0648 \u0645\u0648\u0636\u062d \u0641\u064a ASTM D6392<\/strong> \u064a\u0644\u0639\u0628 \u062f\u0648\u0631\u0627 \u062d\u0627\u0633\u0645\u0627 \u0641\u064a \u0636\u0645\u0627\u0646 \u0627\u0644\u062c\u0648\u062f\u0629<\/strong> \u0648 \u0636\u0628\u0637 \u0627\u0644\u062c\u0648\u062f\u0629<\/strong> \u0644\u0628\u0646\u0627\u0621 \u0623\u0646\u0638\u0645\u0629 \u0645\u0628\u0637\u0646\u0629 \u0628\u0627\u0644\u0623\u063a\u0634\u064a\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629. \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u062e\u062a\u0628\u0627\u0631 \u0642\u0648\u0629 \u0627\u0644\u062a\u0642\u0634\u064a\u0631<\/strong> \u0648 \u0627\u062e\u062a\u0628\u0627\u0631 \u0642\u0648\u0629 \u0627\u0644\u0642\u0635<\/strong>, \u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0648\u0645\u0648\u0638\u0641\u064a \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062c\u0648\u062f\u0629 \u062a\u0642\u064a\u064a\u0645 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u0642\u0628\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0628. \u064a\u0636\u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u062a\u062d\u062f\u064a\u062f \u0623\u064a \u0645\u0634\u0627\u0643\u0644 \u0641\u064a \u0627\u0644\u0644\u062d\u0627\u0645\u0627\u062a\u060c \u0645\u062b\u0644 \u0636\u0639\u0641 \u0627\u0644\u0631\u0648\u0627\u0628\u0637 \u0623\u0648 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u062a\u062d\u062a \u0627\u0644\u0636\u063a\u0637\u060c \u0648\u062a\u0635\u062d\u064a\u062d\u0647\u0627 \u0623\u062b\u0646\u0627\u0621 \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639.<\/p>\n\n\n\n \u064a\u0633\u0627\u0639\u062f \u0647\u0630\u0627 \u0627\u0644\u0646\u0647\u062c \u0627\u0644\u0627\u0633\u062a\u0628\u0627\u0642\u064a \u0644\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0644\u0649 \u062a\u062c\u0646\u0628 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0645\u064a\u062f\u0627\u0646\u064a\u0629 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629 \u0627\u0644\u062a\u064a \u0642\u062f \u062a\u0624\u062f\u064a \u0625\u0644\u0649 \u0627\u0644\u062a\u0644\u0648\u062b \u0623\u0648 \u0627\u0644\u062a\u0633\u0631\u0628 \u0623\u0648 \u063a\u064a\u0631\u0647\u0627 \u0645\u0646 \u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0635\u0646\u0627\u0639\u0627\u062a \u0645\u062b\u0644 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0646\u0641\u0627\u064a\u0627\u062a\u060c \u0648\u0627\u062d\u062a\u0648\u0627\u0621 \u0627\u0644\u0645\u064a\u0627\u0647\u060c \u0648\u0627\u0644\u062a\u0639\u062f\u064a\u0646\u060c \u0641\u0625\u0646 \u0636\u0645\u0627\u0646 \u0633\u0644\u0627\u0645\u0629 \u0637\u0628\u0642\u0627\u062a \u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a<\/strong> \u0623\u0645\u0631 \u062d\u064a\u0648\u064a \u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0628\u064a\u0626\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644 \u0648\u0627\u0644\u0646\u062c\u0627\u062d \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a.<\/p>\n\n\n\n ASTM D6392<\/strong> \u0625\u0637\u0627\u0631 \u0639\u0645\u0644 \u0645\u0648\u062b\u0648\u0642 \u0628\u0647 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 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\u0627\u0644\u063a\u0634\u0627\u0621 \u0627\u0644\u0623\u0631\u0636\u064a \u0633\u062a\u0635\u0645\u062f \u0623\u0645\u0627\u0645 \u062a\u062d\u062f\u064a\u0627\u062a \u0638\u0631\u0648\u0641 \u0627\u0644\u0639\u0627\u0644\u0645 \u0627\u0644\u062d\u0642\u064a\u0642\u064a. \u0645\u0639 \u062d\u0644\u0648\u0644 \u0627\u062e\u062a\u0628\u0627\u0631 Cell Instruments \u2019Cell Instruments'<\/strong>, \u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0635\u0646\u0627\u0639\u0627\u062a \u0623\u0646 \u062a\u0636\u0645\u0646 \u0623\u0646 \u0645\u0646\u062a\u062c\u0627\u062a\u0647\u0627 \u0645\u0646 \u0627\u0644\u0623\u063a\u0634\u064a\u0629 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u062a\u0644\u0628\u064a \u0623\u0639\u0644\u0649 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0648\u0627\u0644\u0623\u062f\u0627\u0621.<\/p>\n\n\n\n\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u062a\u0642\u0634\u064a\u0631<\/h3>\n\n\n\n
\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0642\u0635<\/h3>\n\n\n\n
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\n
\u0623\u0647\u0645\u064a\u0629 \u0645\u0639\u064a\u0627\u0631 ASTM D6392 \u0641\u064a \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u062c\u0648\u062f\u0629<\/h2>\n\n\n\n
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