{"id":6601,"date":"2025-12-15T08:17:06","date_gmt":"2025-12-15T08:17:06","guid":{"rendered":"https:\/\/www.pishrochem.com\/blog\/?p=6601"},"modified":"2025-12-15T08:17:07","modified_gmt":"2025-12-15T08:17:07","slug":"%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9","status":"publish","type":"post","link":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/","title":{"rendered":"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC)"},"content":{"rendered":"\n<p class=\"has-text-align-right\">\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (Polyvinyl Chloride \u2013 PVC) \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0635\u0646\u0639\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a <a href=\"https:\/\/www.pishrochem.com\/\">PVC <\/a>\u062e\u0627\u0644\u0635 \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0633\u0641\u06cc\u062f\u060c \u0633\u062e\u062a \u0648 \u0634\u06a9\u0646\u0646\u062f\u0647 \u0645\u062d\u0633\u0648\u0628 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631 \u067e\u0633 \u0627\u0632 \u067e\u0644\u06cc\u200c\u0627\u062a\u06cc\u0644\u0646 (PE) \u0648 \u067e\u0644\u06cc\u200c\u067e\u0631\u0648\u067e\u06cc\u0644\u0646 (PP)\u060c \u0633\u0648\u0645\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631 \u067e\u0631\u0645\u0635\u0631\u0641 \u062c\u0647\u0627\u0646 \u0627\u0633\u062a \u0648 \u0633\u0627\u0644\u0627\u0646\u0647 \u062d\u062f\u0648\u062f \u06f4\u06f0 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u062a\u0646 \u062a\u0648\u0644\u06cc\u062f PVC \u062f\u0631 \u0635\u0646\u0627\u06cc\u0639 \u0645\u062e\u062a\u0644\u0641 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u0627\u062e\u062a\u0627\u0631 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc PVC \u0628\u0647 \u0635\u0648\u0631\u062a (C\u2082H\u2083Cl)\u2099 \u0628\u0648\u062f\u0647 \u0648 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u067e\u0644\u06cc\u0645\u0631\u06cc\u0632\u0627\u0633\u06cc\u0648\u0646 \u0645\u0646\u0648\u0645\u0631 \u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (VCM) \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631\u062c\u0647 \u067e\u0644\u06cc\u0645\u0631\u06cc\u0632\u0627\u0633\u06cc\u0648\u0646 PVC \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u06cc\u0646 \u06f3\u06f0\u06f0 \u062a\u0627 \u06f1\u06f5\u06f0\u06f0 \u0645\u062a\u063a\u06cc\u0631 \u0627\u0633\u062a. \u0648\u062c\u0648\u062f \u062d\u062f\u0648\u062f \u06f5\u06f7 \u062f\u0631\u0635\u062f \u0648\u0632\u0646\u06cc \u06a9\u0644\u0631 \u062f\u0631 \u0633\u0627\u062e\u062a\u0627\u0631 \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f \u0628\u0627\u0639\u062b \u06a9\u0627\u0647\u0634 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0622\u0646 \u0628\u0647 \u0645\u0646\u0627\u0628\u0639 \u0647\u06cc\u062f\u0631\u0648\u06a9\u0631\u0628\u0646\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-right\"><strong>\u0645\u0642\u062f\u0645\u0647<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-right\">PVC \u0628\u0647 \u062f\u0648 \u0646\u0648\u0639 \u0627\u0635\u0644\u06cc PVC \u0633\u062e\u062a (Rigid PVC \u06cc\u0627 uPVC) \u0648 PVC \u0646\u0631\u0645 (<a href=\"https:\/\/www.pishrochem.com\/\">Flexible PVC<\/a>) \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f. PVC \u0633\u062e\u062a \u0641\u0627\u0642\u062f \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a \u0648 \u0628\u0647\u200c\u0637\u0648\u0631 \u06af\u0633\u062a\u0631\u062f\u0647 \u062f\u0631 \u0635\u0646\u0627\u06cc\u0639 \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u06cc\u060c \u062a\u0648\u0644\u06cc\u062f \u0644\u0648\u0644\u0647\u200c\u0647\u0627\u06cc PVC\u060c \u067e\u0631\u0648\u0641\u06cc\u0644\u200c\u0647\u0627 \u0648 \u0648\u0631\u0642\u200c\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0645\u0642\u0627\u0628\u0644\u060c PVC \u0646\u0631\u0645 \u0628\u0627 \u0627\u0641\u0632\u0648\u062f\u0646 \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc PVC \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f \u0648 \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u06cc \u0628\u0627\u0644\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0645\u0646\u0627\u0633\u0628\u06cc \u0628\u0631\u0627\u06cc \u0644\u0627\u0633\u062a\u06cc\u06a9 \u0628\u0627\u0634\u062f. \u0627\u0632 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc PVC \u0646\u0631\u0645 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0647 \u0644\u0648\u0644\u0647\u200c\u06a9\u0634\u06cc\u060c \u0639\u0627\u06cc\u0642 \u06a9\u0627\u0628\u0644 \u0628\u0631\u0642\u060c \u0686\u0631\u0645 \u0645\u0635\u0646\u0648\u0639\u06cc PVC\u060c \u06a9\u0641\u200c\u067e\u0648\u0634 PVC \u0648 \u0634\u0644\u0646\u06af\u200c\u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc \u0627\u0634\u0627\u0631\u0647 \u06a9\u0631\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f \u06cc\u06a9 \u067e\u0644\u06cc\u0645\u0631 \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a \u0628\u0627 \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0627\u0633\u062a\u061b \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627\u06cc PVC \u0628\u0631\u0627\u06cc \u0628\u0647\u0628\u0648\u062f \u062e\u0648\u0627\u0635 \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc\u060c \u062d\u0631\u0627\u0631\u062a\u06cc \u0648 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0622\u0646 \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a. PVC \u062e\u0627\u0645 \u062f\u0631 \u062f\u0645\u0627\u0647\u0627\u06cc \u0628\u0627\u0644\u0627 \u062f\u0686\u0627\u0631 \u062a\u062e\u0631\u06cc\u0628 \u062d\u0631\u0627\u0631\u062a\u06cc \u0634\u062f\u0647 \u0648 \u06af\u0627\u0632 HCl \u0622\u0632\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062f\u0644\u06cc\u0644\u060c \u0627\u0635\u0644\u0627\u062d PVC \u0628\u0627 \u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u067e\u0627\u06cc\u062f\u0627\u0631\u06a9\u0646\u0646\u062f\u0647 \u062d\u0631\u0627\u0631\u062a\u06cc PVC\u060c \u0631\u0648\u0627\u0646\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u060c \u067e\u0631\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u060c \u0627\u0635\u0644\u0627\u062d\u200c\u06a9\u0646\u0646\u062f\u0647 \u0636\u0631\u0628\u0647 PVC\u060c \u0631\u0646\u06af\u062f\u0627\u0646\u0647\u200c\u0647\u0627 \u0648 \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u062f\u0631 \u0641\u0631\u0622\u06cc\u0646\u062f \u06a9\u0627\u0645\u067e\u0627\u0646\u062f PVC \u0646\u0642\u0634 \u06a9\u0644\u06cc\u062f\u06cc \u062f\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">\u0631\u0632\u06cc\u0646 PVC \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0642\u062f\u0627\u0631 <a href=\"https:\/\/www.pishrochem.com\/\">K (K-Value)<\/a> \u0637\u0628\u0642\u0647\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0646\u0634\u0627\u0646\u200c\u062f\u0647\u0646\u062f\u0647 \u0648\u0632\u0646 \u0645\u0648\u0644\u06a9\u0648\u0644\u06cc \u0648 \u062f\u0631\u062c\u0647 \u067e\u0644\u06cc\u0645\u0631\u06cc\u0632\u0627\u0633\u06cc\u0648\u0646 \u0627\u0633\u062a. PVC \u0628\u0627 K=57 \u062f\u0627\u0631\u0627\u06cc \u0648\u0632\u0646 \u0645\u0648\u0644\u06a9\u0648\u0644\u06cc \u067e\u0627\u06cc\u06cc\u0646 \u0628\u0648\u062f\u0647 \u0648 \u062f\u0631 \u0641\u06cc\u0644\u0645\u200c\u0647\u0627\u06cc \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc\u060c \u0648\u0631\u0642\u200c\u0647\u0627\u06cc \u062f\u0645\u0634\u06cc \u0648 \u0642\u0637\u0639\u0627\u062a \u062a\u0632\u0631\u06cc\u0642\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u062f. PVC \u0628\u0627 K \u0628\u06cc\u0646 70 \u062a\u0627 75 \u062f\u0627\u0631\u0627\u06cc \u0627\u0633\u062a\u062d\u06a9\u0627\u0645 \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc \u0628\u0627\u0644\u0627\u062a\u0631 \u0628\u0648\u062f\u0647. \u0648 \u062f\u0631 \u062a\u0648\u0644\u06cc\u062f \u0644\u0648\u0644\u0647 PVC\u060c \u067e\u0631\u0648\u0641\u06cc\u0644\u200c\u0647\u0627\u06cc \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u06cc\u060c \u06a9\u0627\u0628\u0644\u200c\u0647\u0627\u06cc \u0628\u0631\u0642 \u0648 \u06a9\u0641\u200c\u067e\u0648\u0634\u200c\u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. PVC \u0627\u0645\u0648\u0644\u0633\u06cc\u0648\u0646\u06cc \u0646\u06cc\u0632 \u0628\u0647 \u0635\u0648\u0631\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u200c\u0633\u0648\u0644 PVC \u06cc\u0627 \u0644\u0627\u062a\u06a9\u0633 PVC \u062f\u0631 \u067e\u0648\u0634\u0634\u200c\u0647\u0627\u060c \u0641\u06cc\u0644\u0645\u200c\u0647\u0627\u06cc \u0686\u0646\u062f\u0644\u0627\u06cc\u0647 \u0648 \u0635\u0646\u0627\u06cc\u0639 \u0628\u0627\u062a\u0631\u06cc \u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-right\">\u0645\u0648\u0627\u062f \u0648 \u0631\u0648\u0634\u200c\u0647\u0627<\/h2>\n\n\n\n<p class=\"has-text-align-right\">2.1. \u0645\u062e\u0644\u0648\u0637\u200c\u0633\u0627\u0632\u06cc \u062e\u0634\u06a9 PVC<br>\u062f\u0631 \u0631\u0648\u0634 Dry Blend \u06cc\u0627 \u0645\u062e\u0644\u0648\u0637\u200c\u0633\u0627\u0632\u06cc \u062e\u0634\u06a9 PVC\u060c \u0627\u0632 \u0645\u06cc\u06a9\u0633\u0631\u0647\u0627\u06cc \u062f\u0648\u0631 \u0628\u0627\u0644\u0627 \u0628\u0631\u0627\u06cc \u0627\u062e\u062a\u0644\u0627\u0637 \u06cc\u06a9\u0646\u0648\u0627\u062e\u062a \u0631\u0632\u06cc\u0646 PVC \u0648 \u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627\u06cc \u067e\u0644\u06cc\u0645\u0631\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0631\u0648\u0634 \u062f\u0631 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0627\u0645\u067e\u0627\u0646\u062f PVC \u0628\u0633\u06cc\u0627\u0631 \u0631\u0627\u06cc\u062c \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"has-text-align-right\">2.2. \u0645\u062e\u0644\u0648\u0637\u200c\u0633\u0627\u0632\u06cc \u0628\u0627 \u0627\u06a9\u0633\u062a\u0631\u0648\u062f\u0631<br>\u062f\u0631 \u0641\u0631\u0622\u06cc\u0646\u062f \u0627\u06a9\u0633\u062a\u0631\u0648\u0698\u0646 PVC\u060c \u0645\u0648\u0627\u062f \u0627\u0648\u0644\u06cc\u0647 \u0648\u0627\u0631\u062f \u0627\u06a9\u0633\u062a\u0631\u0648\u062f\u0631 \u0634\u062f\u0647\u060c \u0630\u0648\u0628 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0648 \u067e\u0633 \u0627\u0632 \u062e\u0646\u06a9\u200c\u06a9\u0627\u0631\u06cc \u0628\u0647 \u0635\u0648\u0631\u062a \u06af\u0631\u0627\u0646\u0648\u0644 PVC \u0622\u0645\u0627\u062f\u0647 \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u0628\u0639\u062f\u06cc \u0645\u0627\u0646\u0646\u062f \u062a\u0632\u0631\u06cc\u0642 \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u06cc\u0627 \u0642\u0627\u0644\u0628\u200c\u06af\u06cc\u0631\u06cc \u062f\u0645\u0634\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-right\">\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627\u06cc PVC<\/h3>\n\n\n\n<p class=\"has-text-align-right\">3.1. \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc PVC<br>\u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u0627\u0641\u0632\u0648\u062f\u0646\u06cc PVC \u0646\u0631\u0645 \u0647\u0633\u062a\u0646\u062f. \u0627\u0641\u0632\u0648\u062f\u0646 \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0639\u062b \u0627\u0641\u0632\u0627\u06cc\u0634 \u0627\u0646\u0639\u0637\u0627\u0641\u200c\u067e\u0630\u06cc\u0631\u06cc\u060c \u06a9\u0627\u0647\u0634 \u0633\u062e\u062a\u06cc \u0648 \u0628\u0647\u0628\u0648\u062f \u0641\u0631\u0622\u06cc\u0646\u062f\u067e\u0630\u06cc\u0631\u06cc PVC \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">3.1.1. \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647<br>\u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 PVC \u0645\u0627\u0646\u0646\u062f DOP \u067e\u0631\u0627\u06a9\u0646\u062f\u06af\u06cc \u0628\u0633\u06cc\u0627\u0631 \u062e\u0648\u0628\u06cc \u062f\u0631 \u0631\u0632\u06cc\u0646 PVC \u062f\u0627\u0631\u0646\u062f \u0648 \u062f\u0631 \u062a\u0648\u0644\u06cc\u062f \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0628\u0633\u06cc\u0627\u0631 \u0646\u0631\u0645 \u0645\u0627\u0646\u0646\u062f \u0634\u0644\u0646\u06af\u060c \u06a9\u0627\u0628\u0644 \u0628\u0631\u0642 \u0648 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u067e\u0632\u0634\u06a9\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">3.1.2. \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u062b\u0627\u0646\u0648\u06cc\u0647<br>\u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u062b\u0627\u0646\u0648\u06cc\u0647 \u0645\u0627\u0646\u0646\u062f \u0648\u0627\u06a9\u0633 \u06a9\u0644\u0631\u06cc\u0646\u0647 \u067e\u0627\u0631\u0627\u0641\u06cc\u0646 (CPW) \u0628\u06cc\u0634\u062a\u0631 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0642\u06cc\u0645\u062a \u06a9\u0627\u0645\u067e\u0627\u0646\u062f PVC \u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u0646\u062f \u0648 \u0646\u0642\u0634 \u0627\u0642\u062a\u0635\u0627\u062f\u06cc \u0645\u0647\u0645\u06cc \u062f\u0631 \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646 PVC \u062f\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">3.1.3. \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0632\u0634\u06a9\u06cc<br>\u062f\u0631 \u0635\u0646\u0627\u06cc\u0639 \u067e\u0632\u0634\u06a9\u06cc\u060c \u0646\u0631\u0645\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc PVC \u067e\u0632\u0634\u06a9\u06cc \u0645\u0627\u0646\u0646\u062f DOP\u060c TOTM\u060c BTHC \u0648 DnDP \u0628\u0631\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u06a9\u06cc\u0633\u0647 \u062e\u0648\u0646\u060c \u0633\u062a \u0633\u0631\u0645 \u0648 \u0644\u0648\u0644\u0647\u200c\u0647\u0627\u06cc \u067e\u0632\u0634\u06a9\u06cc PVC \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">3.2. \u067e\u0627\u06cc\u062f\u0627\u0631\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc PVC<br>\u067e\u0627\u06cc\u062f\u0627\u0631\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc PVC \u0648 \u067e\u0627\u06cc\u062f\u0627\u0631\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0646\u0648\u0631\u06cc PVC \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062a\u062e\u0631\u06cc\u0628 \u062d\u0631\u0627\u0631\u062a\u06cc \u0648 \u0646\u0648\u0631\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f \u0636\u0631\u0648\u0631\u06cc \u0647\u0633\u062a\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">3.3. \u067e\u0631\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc PVC<br>\u067e\u0631\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u06a9\u0631\u0628\u0646\u0627\u062a \u06a9\u0644\u0633\u06cc\u0645\u060c TiO2\u060c \u062a\u0627\u0644\u06a9 \u0648 \u0646\u0627\u0646\u0648\u067e\u0631\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627 \u0628\u0627\u0639\u062b \u06a9\u0627\u0647\u0634 \u0642\u06cc\u0645\u062a \u0648 \u0628\u0647\u0628\u0648\u062f \u062e\u0648\u0627\u0635 \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc PVC \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">3.4. \u0627\u0635\u0644\u0627\u062d\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0636\u0631\u0628\u0647 PVC<br>\u0627\u0635\u0644\u0627\u062d\u200c\u06a9\u0646\u0646\u062f\u0647 \u0636\u0631\u0628\u0647 PVC \u0645\u0627\u0646\u0646\u062f ABS \u0648 CPE \u0628\u0627\u0639\u062b \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u0642\u0627\u0648\u0645\u062a \u0636\u0631\u0628\u0647\u200c\u0627\u06cc \u0645\u062d\u0635\u0648\u0644\u0627\u062a PVC \u0633\u062e\u062a \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">3.5. \u0631\u0646\u06af\u062f\u0627\u0646\u0647\u200c\u0647\u0627\u06cc PVC<br>\u0631\u0646\u06af\u062f\u0627\u0646\u0647\u200c\u0647\u0627\u06cc \u0622\u0644\u06cc \u0648 \u063a\u06cc\u0631\u0622\u0644\u06cc PVC \u0628\u0627\u06cc\u062f \u062f\u0627\u0631\u0627\u06cc \u067e\u0627\u06cc\u062f\u0627\u0631\u06cc \u062d\u0631\u0627\u0631\u062a\u06cc\u060c \u067e\u062e\u0634\u200c\u067e\u0630\u06cc\u0631\u06cc \u0645\u0646\u0627\u0633\u0628 \u0648 \u0645\u0642\u0627\u0648\u0645\u062a \u0646\u0648\u0631\u06cc \u0628\u0627\u0644\u0627 \u0628\u0627\u0634\u0646\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-right\">\u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc PVC<\/h2>\n\n\n\n<p class=\"has-text-align-right\">4.1. \u06a9\u0627\u0631\u0628\u0631\u062f PVC \u062f\u0631 \u0644\u0648\u0644\u0647\u200c\u06a9\u0634\u06cc<br>\u0644\u0648\u0644\u0647\u200c\u0647\u0627\u06cc PVC \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0645\u0642\u0627\u0648\u0645\u062a \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc\u060c \u0648\u0632\u0646 \u06a9\u0645 \u0648 \u0637\u0648\u0644 \u0639\u0645\u0631 \u0628\u0627\u0644\u0627 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u0644\u0648\u0644\u0647\u200c\u06a9\u0634\u06cc \u0635\u0646\u0639\u062a\u06cc \u0648 \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f \u06af\u0633\u062a\u0631\u062f\u0647 \u062f\u0627\u0631\u0646\u062f.<\/p>\n\n\n\n<p class=\"has-text-align-right\">4.2. \u06a9\u0627\u0631\u0628\u0631\u062f PVC \u062f\u0631 \u0633\u0627\u062e\u062a\u0645\u0627\u0646<br>\u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u06cc PVC \u0634\u0627\u0645\u0644 \u067e\u0631\u0648\u0641\u06cc\u0644 \u062f\u0631\u0628 \u0648 \u067e\u0646\u062c\u0631\u0647\u060c \u06a9\u0641\u200c\u067e\u0648\u0634\u060c \u0633\u0642\u0641 \u06a9\u0627\u0630\u0628\u060c \u0639\u0627\u06cc\u0642 \u0628\u0631\u0642 \u0648 \u067e\u0648\u0634\u0634\u200c\u0647\u0627\u06cc \u062a\u0632\u0626\u06cc\u0646\u06cc \u0627\u0633\u062a.<\/p>\n\n\n\n<p class=\"has-text-align-right\">4.3. \u06a9\u0627\u0631\u0628\u0631\u062f PVC \u062f\u0631 \u067e\u0632\u0634\u06a9\u06cc<br>PVC \u067e\u0632\u0634\u06a9\u06cc \u0628\u0647 \u062f\u0644\u06cc\u0644 \u0632\u06cc\u0633\u062a\u200c\u0633\u0627\u0632\u06af\u0627\u0631\u06cc\u060c \u062f\u0648\u0627\u0645 \u0648 \u0642\u06cc\u0645\u062a \u0645\u0646\u0627\u0633\u0628 \u062f\u0631 \u062a\u062c\u0647\u06cc\u0632\u0627\u062a \u067e\u0632\u0634\u06a9\u06cc \u0645\u0635\u0631\u0641\u06cc \u0646\u0642\u0634 \u06a9\u0644\u06cc\u062f\u06cc \u062f\u0627\u0631\u062f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-right\">\u0646\u062a\u06cc\u062c\u0647\u200c\u06af\u06cc\u0631\u06cc<\/h2>\n\n\n\n<p class=\"has-text-align-right\">PVC \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9\u06cc \u0627\u0632 \u067e\u0631\u06a9\u0627\u0631\u0628\u0631\u062f\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u0635\u0646\u0639\u062a\u06cc\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0647 \u0645\u0627\u062f\u0647\u200c\u0627\u06cc \u0645\u0647\u0646\u062f\u0633\u06cc\u200c\u0634\u062f\u0647 \u0628\u0627 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u06af\u0633\u062a\u0631\u062f\u0647 \u062f\u0631 \u0635\u0646\u0639\u062a \u0633\u0627\u062e\u062a\u0645\u0627\u0646\u060c \u067e\u0632\u0634\u06a9\u06cc\u060c \u0628\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0648 \u0628\u0631\u0642 \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062a\u0648\u0633\u0639\u0647 \u0641\u0631\u0645\u0648\u0644\u0627\u0633\u06cc\u0648\u0646\u200c\u0647\u0627\u06cc \u0646\u0648\u06cc\u0646 <a href=\"https:\/\/www.pishrochem.com\/\">PVC <\/a>\u0648 \u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647\u060c \u0622\u06cc\u0646\u062f\u0647 \u0627\u06cc\u0646 \u0635\u0646\u0639\u062a \u0631\u0627 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"814\" height=\"435\" src=\"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image.png\" alt=\"\" class=\"wp-image-6602\" style=\"aspect-ratio:1.871362885264746;width:648px;height:auto\" srcset=\"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image.png 814w, https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image-300x160.png 300w, https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image-768x410.png 768w\" sizes=\"(max-width: 814px) 100vw, 814px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-right\"><strong>\u0628\u06cc\u0634\u062a\u0631 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f: <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-pishrochem wp-block-embed-pishrochem\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"bm7yYHXdCM\"><a href=\"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%d8%b9%d9%85%d9%84%da%a9%d8%b1%d8%af-%d8%a7%d8%b3%d8%aa%d8%a7%d8%a8%d9%84%d8%a7%db%8c%d8%b2%d8%b1-%d8%ad%d8%b1%d8%a7%d8%b1%d8%aa%db%8c-%d8%a2%d9%84%db%8c-obs-%d8%af\/\">\u0628\u0631\u0631\u0633\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0633\u062a\u0627\u0628\u0644\u0627\u06cc\u0632\u0631 \u062d\u0631\u0627\u0631\u062a\u06cc \u0622\u0644\u06cc (OBS) \u062f\u0631 \u0644\u0648\u0644\u0647\u200c\u0647\u0627\u06cc PVC \u0646\u0633\u0628\u062a \u0628\u0647 Pb \u0648 CaZn<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u0628\u0631\u0631\u0633\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0633\u062a\u0627\u0628\u0644\u0627\u06cc\u0632\u0631 \u062d\u0631\u0627\u0631\u062a\u06cc \u0622\u0644\u06cc (OBS) \u062f\u0631 \u0644\u0648\u0644\u0647\u200c\u0647\u0627\u06cc PVC \u0646\u0633\u0628\u062a \u0628\u0647 Pb \u0648 CaZn&#8221; &#8212; Pishrochem\" src=\"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a8%d8%b1%d8%b1%d8%b3%db%8c-%d8%b9%d9%85%d9%84%da%a9%d8%b1%d8%af-%d8%a7%d8%b3%d8%aa%d8%a7%d8%a8%d9%84%d8%a7%db%8c%d8%b2%d8%b1-%d8%ad%d8%b1%d8%a7%d8%b1%d8%aa%db%8c-%d8%a2%d9%84%db%8c-obs-%d8%af\/embed\/#?secret=oGs9JvaLhR#?secret=bm7yYHXdCM\" data-secret=\"bm7yYHXdCM\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (Polyvinyl Chloride \u2013 PVC) \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0635\u0646\u0639\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a PVC \u062e\u0627\u0644\u0635 \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0633\u0641\u06cc\u062f\u060c \u0633\u062e\u062a \u0648 \u0634\u06a9\u0646\u0646\u062f\u0647 \u0645\u062d\u0633\u0648\u0628 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631 \u067e\u0633 \u0627\u0632 \u067e\u0644\u06cc\u200c\u0627\u062a\u06cc\u0644\u0646 (PE) \u0648 \u067e\u0644\u06cc\u200c\u067e\u0631\u0648\u067e\u06cc\u0644\u0646 (PP)\u060c \u0633\u0648\u0645\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631 \u067e\u0631\u0645\u0635\u0631\u0641 \u062c\u0647\u0627\u0646 \u0627\u0633\u062a \u0648 \u0633\u0627\u0644\u0627\u0646\u0647 \u062d\u062f\u0648\u062f \u06f4\u06f0 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u062a\u0646 \u062a\u0648\u0644\u06cc\u062f PVC \u062f\u0631 \u0635\u0646\u0627\u06cc\u0639 \u0645\u062e\u062a\u0644\u0641 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0633\u0627\u062e\u062a\u0627\u0631 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc PVC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-6601","post","type-post","status-publish","format-standard","hentry","category-8"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.7 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC) | Pishrochem<\/title>\n<meta name=\"description\" content=\"\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (Polyvinyl Chloride \u2013 PVC) \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0635\u0646\u0639\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a PVC. \u062e\u0627\u0644\u0635 \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0633\u0641\u06cc\u062f\u060c \u0633\u062e\u062a \u0648 \u0634\u06a9\u0646\u0646\u062f\u0647\" \/>\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.pishrochem.com\/blog\/fa\/\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u0647\u0627-\u0648-\u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc-\u067e\u0644\u06cc\u0648\u06cc\u0646\u06cc\u0644\u06a9\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC)\" \/>\n<meta property=\"og:description\" content=\"\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (Polyvinyl Chloride \u2013 PVC) \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0635\u0646\u0639\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a PVC. \u062e\u0627\u0644\u0635 \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0633\u0641\u06cc\u062f\u060c \u0633\u062e\u062a \u0648 \u0634\u06a9\u0646\u0646\u062f\u0647\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pishrochem.com\/blog\/fa\/\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u0647\u0627-\u0648-\u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc-\u067e\u0644\u06cc\u0648\u06cc\u0646\u06cc\u0644\u06a9\/\" \/>\n<meta property=\"og:site_name\" content=\"Pishrochem\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-15T08:17:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-15T08:17:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"814\" \/>\n\t<meta property=\"og:image:height\" content=\"435\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"pishrochem\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"pishrochem\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/\"},\"author\":{\"name\":\"pishrochem\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#\\\/schema\\\/person\\\/94a446816f201f646fced68b7919e08a\"},\"headline\":\"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC)\",\"datePublished\":\"2025-12-15T08:17:06+00:00\",\"dateModified\":\"2025-12-15T08:17:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/\"},\"wordCount\":158,\"publisher\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/image.png\",\"articleSection\":[\"\u0645\u062d\u0635\u0648\u0644\u0627\u062a\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/\",\"url\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/\",\"name\":\"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC) | Pishrochem\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/image.png\",\"datePublished\":\"2025-12-15T08:17:06+00:00\",\"dateModified\":\"2025-12-15T08:17:07+00:00\",\"description\":\"\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (Polyvinyl Chloride \u2013 PVC) \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0635\u0646\u0639\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a PVC. \u062e\u0627\u0644\u0635 \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0633\u0641\u06cc\u062f\u060c \u0633\u062e\u062a \u0648 \u0634\u06a9\u0646\u0646\u062f\u0647\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/image.png\",\"contentUrl\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/image.png\",\"width\":814,\"height\":435},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/fa\\\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/pishrochem.com\\\/blog\\\/fa\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/\",\"name\":\"Pishrochem\",\"description\":\"Just another WordPress site\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#organization\",\"name\":\"Pishrochem | \u067e\u06cc\u0634\u0631\u0648\u0634\u06cc\u0645\u06cc\",\"url\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/cropped-Pak-Chemical-Co..png\",\"contentUrl\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/cropped-Pak-Chemical-Co..png\",\"width\":240,\"height\":240,\"caption\":\"Pishrochem | \u067e\u06cc\u0634\u0631\u0648\u0634\u06cc\u0645\u06cc\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/pishro-chemical-391374129\\\/\",\"https:\\\/\\\/www.pinterest.ca\\\/candouforpishro\\\/\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCp2xh8tfHa0n9IacYwRsOqg\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCnirLiNTRQY_GD_w5Qrm3Rg\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.pishrochem.com\\\/blog\\\/#\\\/schema\\\/person\\\/94a446816f201f646fced68b7919e08a\",\"name\":\"pishrochem\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9a2c56b29d846fd1f18fb2193439ad1cca920e2d6441a19fa32ae2149b3328dc?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9a2c56b29d846fd1f18fb2193439ad1cca920e2d6441a19fa32ae2149b3328dc?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/9a2c56b29d846fd1f18fb2193439ad1cca920e2d6441a19fa32ae2149b3328dc?s=96&d=mm&r=g\",\"caption\":\"pishrochem\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC) | Pishrochem","description":"\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (Polyvinyl Chloride \u2013 PVC) \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0635\u0646\u0639\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a PVC. \u062e\u0627\u0644\u0635 \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0633\u0641\u06cc\u062f\u060c \u0633\u062e\u062a \u0648 \u0634\u06a9\u0646\u0646\u062f\u0647","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.pishrochem.com\/blog\/fa\/\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u0647\u0627-\u0648-\u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc-\u067e\u0644\u06cc\u0648\u06cc\u0646\u06cc\u0644\u06a9\/","og_locale":"en_US","og_type":"article","og_title":"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC)","og_description":"\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (Polyvinyl Chloride \u2013 PVC) \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0635\u0646\u0639\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a PVC. \u062e\u0627\u0644\u0635 \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0633\u0641\u06cc\u062f\u060c \u0633\u062e\u062a \u0648 \u0634\u06a9\u0646\u0646\u062f\u0647","og_url":"https:\/\/www.pishrochem.com\/blog\/fa\/\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u0647\u0627-\u0648-\u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc-\u067e\u0644\u06cc\u0648\u06cc\u0646\u06cc\u0644\u06a9\/","og_site_name":"Pishrochem","article_published_time":"2025-12-15T08:17:06+00:00","article_modified_time":"2025-12-15T08:17:07+00:00","og_image":[{"width":814,"height":435,"url":"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image.png","type":"image\/png"}],"author":"pishrochem","twitter_card":"summary_large_image","twitter_misc":{"Written by":"pishrochem","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/#article","isPartOf":{"@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/"},"author":{"name":"pishrochem","@id":"https:\/\/www.pishrochem.com\/blog\/#\/schema\/person\/94a446816f201f646fced68b7919e08a"},"headline":"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC)","datePublished":"2025-12-15T08:17:06+00:00","dateModified":"2025-12-15T08:17:07+00:00","mainEntityOfPage":{"@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/"},"wordCount":158,"publisher":{"@id":"https:\/\/www.pishrochem.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/#primaryimage"},"thumbnailUrl":"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image.png","articleSection":["\u0645\u062d\u0635\u0648\u0644\u0627\u062a"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/","url":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/","name":"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC) | Pishrochem","isPartOf":{"@id":"https:\/\/www.pishrochem.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/#primaryimage"},"image":{"@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/#primaryimage"},"thumbnailUrl":"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image.png","datePublished":"2025-12-15T08:17:06+00:00","dateModified":"2025-12-15T08:17:07+00:00","description":"\u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644 \u06a9\u0644\u0631\u0627\u06cc\u062f (Polyvinyl Chloride \u2013 PVC) \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0647\u0645\u200c\u062a\u0631\u06cc\u0646 \u067e\u0644\u06cc\u0645\u0631\u0647\u0627\u06cc \u062a\u0631\u0645\u0648\u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062f\u0631 \u0635\u0646\u0639\u062a \u067e\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a PVC. \u062e\u0627\u0644\u0635 \u06cc\u06a9 \u0645\u0627\u062f\u0647 \u0633\u0641\u06cc\u062f\u060c \u0633\u062e\u062a \u0648 \u0634\u06a9\u0646\u0646\u062f\u0647","breadcrumb":{"@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/#primaryimage","url":"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image.png","contentUrl":"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2025\/12\/image.png","width":814,"height":435},{"@type":"BreadcrumbList","@id":"https:\/\/www.pishrochem.com\/blog\/fa\/%d8%a7%d9%81%d8%b2%d9%88%d8%af%d9%86%db%8c%d9%87%d8%a7-%d9%88-%da%a9%d8%a7%d8%b1%d8%a8%d8%b1%d8%af%d9%87%d8%a7%db%8c-%d9%be%d9%84%db%8c%d9%88%db%8c%d9%86%db%8c%d9%84%da%a9\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/pishrochem.com\/blog\/fa\/"},{"@type":"ListItem","position":2,"name":"\u0627\u0641\u0632\u0648\u062f\u0646\u06cc\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc \u067e\u0644\u06cc\u200c\u0648\u06cc\u0646\u06cc\u0644\u200c\u06a9\u0644\u0631\u0627\u06cc\u062f (PVC)"}]},{"@type":"WebSite","@id":"https:\/\/www.pishrochem.com\/blog\/#website","url":"https:\/\/www.pishrochem.com\/blog\/","name":"Pishrochem","description":"Just another WordPress site","publisher":{"@id":"https:\/\/www.pishrochem.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.pishrochem.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.pishrochem.com\/blog\/#organization","name":"Pishrochem | \u067e\u06cc\u0634\u0631\u0648\u0634\u06cc\u0645\u06cc","url":"https:\/\/www.pishrochem.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.pishrochem.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2022\/11\/cropped-Pak-Chemical-Co..png","contentUrl":"https:\/\/www.pishrochem.com\/blog\/wp-content\/uploads\/2022\/11\/cropped-Pak-Chemical-Co..png","width":240,"height":240,"caption":"Pishrochem | \u067e\u06cc\u0634\u0631\u0648\u0634\u06cc\u0645\u06cc"},"image":{"@id":"https:\/\/www.pishrochem.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/in\/pishro-chemical-391374129\/","https:\/\/www.pinterest.ca\/candouforpishro\/","https:\/\/www.youtube.com\/channel\/UCp2xh8tfHa0n9IacYwRsOqg","https:\/\/www.youtube.com\/channel\/UCnirLiNTRQY_GD_w5Qrm3Rg"]},{"@type":"Person","@id":"https:\/\/www.pishrochem.com\/blog\/#\/schema\/person\/94a446816f201f646fced68b7919e08a","name":"pishrochem","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/9a2c56b29d846fd1f18fb2193439ad1cca920e2d6441a19fa32ae2149b3328dc?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9a2c56b29d846fd1f18fb2193439ad1cca920e2d6441a19fa32ae2149b3328dc?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/9a2c56b29d846fd1f18fb2193439ad1cca920e2d6441a19fa32ae2149b3328dc?s=96&d=mm&r=g","caption":"pishrochem"}}]}},"_links":{"self":[{"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/posts\/6601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/comments?post=6601"}],"version-history":[{"count":1,"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/posts\/6601\/revisions"}],"predecessor-version":[{"id":6603,"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/posts\/6601\/revisions\/6603"}],"wp:attachment":[{"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/media?parent=6601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/categories?post=6601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pishrochem.com\/blog\/wp-json\/wp\/v2\/tags?post=6601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}