{"id":2445,"date":"2026-05-03T03:42:22","date_gmt":"2026-05-03T03:42:22","guid":{"rendered":"https:\/\/ecocretefiber.com\/?p=2445"},"modified":"2026-05-03T03:42:39","modified_gmt":"2026-05-03T03:42:39","slug":"%d8%a3%d9%84%d9%8a%d8%a7%d9%81-pva-%d9%84%d9%84%d8%ae%d8%b1%d8%b3%d8%a7%d9%86%d8%a9","status":"publish","type":"post","link":"https:\/\/ecocretefiber.com\/ar\/%d8%a3%d9%84%d9%8a%d8%a7%d9%81-pva-%d9%84%d9%84%d8%ae%d8%b1%d8%b3%d8%a7%d9%86%d8%a9\/","title":{"rendered":"\u0623\u0644\u064a\u0627\u0641 PVA \u0644\u0644\u062e\u0631\u0633\u0627\u0646\u0629: \u062f\u0644\u064a\u0644 \u0627\u0644\u0645\u0648\u0632\u0639\u064a\u0646 \u0644\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0648\u0627\u0644\u0645\u0635\u0627\u062f\u0631"},"content":{"rendered":"

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\n\n\n\n

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\u062a\u0636\u0639 \u0647\u0630\u0647 \u0627\u0644\u0623\u0631\u0642\u0627\u0645 \u0623\u0644\u064a\u0627\u0641 PVA \u0628\u064a\u0646 \u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u0648\u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0648\u0627\u0644\u0642\u0648\u0629. \u0625\u0646 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0645\u0631\u0648\u0646\u0629 \u0644\u0623\u0644\u064a\u0627\u0641 PVA \u0623\u0639\u0644\u0649 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 (3-6 \u062c\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)\u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646\u0647\u0627 \u062a\u0642\u0627\u0648\u0645 \u0627\u0644\u062a\u0634\u0648\u0647 \u0628\u0634\u0643\u0644 \u0623\u0643\u062b\u0631 \u0641\u0639\u0627\u0644\u064a\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644. \u0648\u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0646\u0641\u0633\u0647\u060c \u0641\u0625\u0646 \u0623\u0644\u064a\u0627\u0641 PVA \u062a\u0643\u0644\u0641 \u0623\u0643\u062b\u0631 \u0645\u0646 \u0623\u0644\u064a\u0627\u0641 PP \u0644\u0643\u0644 \u0643\u064a\u0644\u0648\u063a\u0631\u0627\u0645\u060c \u0644\u0630\u0627 \u0641\u0625\u0646 \u0641\u0647\u0645 \u0623\u064a\u0646 \u064a\u0628\u0631\u0631 \u0623\u062f\u0627\u0626\u0647\u0627 \u0627\u0644\u0633\u0639\u0631 \u0623\u0645\u0631 \u0636\u0631\u0648\u0631\u064a \u0644\u0644\u0645\u0648\u0632\u0639\u064a\u0646.<\/p>\n\n\n\n

\n\n\n\n

\u0643\u064a\u0641 \u062a\u0639\u0645\u0644 \u0623\u0644\u064a\u0627\u0641 PVA \u0641\u064a \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629<\/h2>\n\n\n\n
\"\u062e\u064a\u0648\u0637<\/figure>\n\n\n\n

\u0622\u0644\u064a\u0629 \u0627\u0644\u062a\u0639\u0632\u064a\u0632 \u0645\u0647\u0645\u0629 \u0644\u0623\u0646 \u0627\u0644\u0645\u0648\u0632\u0639\u064a\u0646 \u064a\u062a\u0644\u0642\u0648\u0646 \u0623\u0633\u0626\u0644\u0629 \u0641\u0646\u064a\u0629 \u0645\u0646 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u0648\u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0646. \u0643\u0645\u0627 \u0623\u0646 \u0645\u0639\u0631\u0641\u0629 \u0643\u064a\u0641\u064a\u0629 \u0639\u0645\u0644 \u0623\u0644\u064a\u0627\u0641 PVA \u064a\u0641\u0633\u0631 \u0623\u064a\u0636\u064b\u0627 \u0633\u0628\u0628 \u062a\u062d\u062f\u064a\u062f\u0647\u0627 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0623\u062f\u0627\u0621.<\/p>\n\n\n\n

\u0622\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u0627\u0628\u0637 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a<\/h3>\n\n\n\n

\u062a\u0634\u0643\u0644 \u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0643\u0633\u064a\u0644 (-OH) \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0639\u0644\u0649 \u0633\u0637\u062d \u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 (PVA) \u0631\u0648\u0627\u0628\u0637 \u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646\u064a\u0629 \u0645\u0639 \u0645\u0646\u062a\u062c\u0627\u062a \u062a\u0631\u0637\u064a\u0628 \u0627\u0644\u0623\u0633\u0645\u0646\u062a\u060c \u0648\u062e\u0627\u0635\u0629 \u0647\u0644\u0627\u0645 \u0633\u064a\u0644\u064a\u0643\u0627\u062a \u0627\u0644\u0643\u0627\u0644\u0633\u064a\u0648\u0645 (C-S-H). \u0647\u0630\u0647 \u0627\u0644\u0631\u0627\u0628\u0637\u0629 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0623\u0642\u0648\u0649 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u062a\u0634\u0627\u0628\u0643 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0627\u0644\u0630\u064a \u064a\u062b\u0628\u062a \u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u0644\u064a\u0646 \u0641\u064a \u0645\u0643\u0627\u0646\u0647\u0627.<\/p>\n\n\n\n

\u062a\u0635\u0644 \u0642\u0648\u0629 \u0627\u0644\u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u064a\u0646 \u0623\u0644\u064a\u0627\u0641 PVA \u0648\u0639\u062c\u064a\u0646\u0629 \u0627\u0644\u0623\u0633\u0645\u0646\u062a \u0639\u0627\u062f\u0629\u064b \u0625\u0644\u0649 2-4 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644\u060c \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u062d\u0648\u0627\u0644\u064a 0.5-1.0 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644 \u0644\u0623\u0644\u064a\u0627\u0641 PP \u063a\u064a\u0631 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629. \u062a\u0639\u0646\u064a \u0642\u0648\u0629 \u0627\u0644\u0631\u0627\u0628\u0637\u0629 \u0627\u0644\u0623\u0639\u0644\u0649 \u0647\u0630\u0647 \u0623\u0646 \u0623\u0644\u064a\u0627\u0641 PVA \u062a\u0646\u0642\u0644 \u0627\u0644\u0636\u063a\u0637 \u0628\u0643\u0641\u0627\u0621\u0629 \u0623\u0643\u0628\u0631 \u0639\u0628\u0631 \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u062f\u0642\u064a\u0642\u0629. \u0639\u0646\u062f\u0645\u0627 \u064a\u0628\u062f\u0623 \u0627\u0644\u062a\u0635\u062f\u0639 \u0641\u064a \u0627\u0644\u0627\u0646\u0641\u062a\u0627\u062d\u060c \u062a\u0642\u0627\u0648\u0645 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0627\u0646\u0633\u062d\u0627\u0628\u060c \u0645\u0645\u0627 \u064a\u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u062a\u0645\u0627\u0633\u0643 \u0623\u0648\u062c\u0647 \u0627\u0644\u062a\u0635\u062f\u0639 \u0645\u0639\u064b\u0627 \u0648\u064a\u062d\u062f \u0645\u0646 \u0639\u0631\u0636 \u0627\u0644\u062a\u0635\u062f\u0639.<\/p>\n\n\n\n

\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0645\u0648\u0632\u0639\u064a\u0646\u060c \u0641\u0625\u0646 \u0645\u064a\u0632\u0629 \u0627\u0644\u062a\u0631\u0627\u0628\u0637 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0647\u0630\u0647 \u0645\u0647\u0645\u0629. \u0648\u0647\u064a \u062a\u0641\u0633\u0631 \u0644\u0645\u0627\u0630\u0627 \u062a\u062d\u0642\u0642 \u0623\u0644\u064a\u0627\u0641 PVA \u062a\u062d\u0643\u0645\u064b\u0627 \u0641\u0639\u0627\u0644\u0627\u064b \u0641\u064a \u0627\u0644\u062a\u0634\u0642\u0642\u0627\u062a \u0628\u062c\u0631\u0639\u0627\u062a \u0623\u0642\u0644 \u0645\u0646 \u0623\u0644\u064a\u0627\u0641 PP \u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a.<\/p>\n\n\n\n

\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u0634\u0642\u0642\u0627\u062a \u0648\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0635\u0644\u0627\u0628\u0629<\/h3>\n\n\n\n

\u062a\u062a\u062d\u0643\u0645 \u0623\u0644\u064a\u0627\u0641 PVA \u0641\u064a \u0627\u0644\u062a\u0634\u0642\u0642 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0622\u0644\u064a\u062a\u064a\u0646. \u0639\u0646\u062f \u0627\u0644\u062c\u0631\u0639\u0627\u062a \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 (0.5-1.0 \u0643\u062c\u0645\/\u0645\u062a\u0631 \u0645\u0643\u0639\u0628)\u060c \u062a\u0639\u0645\u0644 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0639\u0644\u0649 \u0633\u062f \u0627\u0644\u0634\u0642\u0648\u0642 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0648\u0627\u0644\u062d\u062f \u0645\u0646 \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0644\u062a\u0634\u0642\u0642\u0627\u062a. \u0641\u064a \u0627\u0644\u062c\u0631\u0639\u0627\u062a \u0627\u0644\u0623\u0639\u0644\u0649 \u0641\u064a \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0623\u0633\u0645\u0646\u062a\u064a\u0629 \u0627\u0644\u0645\u0635\u0645\u0645\u0629 \u0647\u0646\u062f\u0633\u064a\u064b\u0627\u060c \u062a\u0639\u0645\u0644 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0639\u0644\u0649 \u062a\u0645\u0643\u064a\u0646 \u062a\u0635\u0644\u0628 \u0627\u0644\u0625\u062c\u0647\u0627\u062f - \u062d\u064a\u062b \u062a\u0635\u0628\u062d \u0627\u0644\u0645\u0627\u062f\u0629 \u0623\u0642\u0648\u0649 \u0628\u0627\u0644\u0641\u0639\u0644 \u0623\u062b\u0646\u0627\u0621 \u062a\u0634\u0648\u0647\u0647\u0627\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062d\u062f\u0648\u062b \u062a\u0634\u0642\u0642\u0627\u062a \u062f\u0642\u064a\u0642\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u062a\u0634\u0642\u0642 \u0648\u0627\u062d\u062f \u0648\u0627\u0633\u0639.<\/p>\n\n\n\n

\u0647\u0630\u0627 \u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0644\u0645\u062a\u0635\u0644\u0628 \u0644\u0644\u0625\u062c\u0647\u0627\u062f \u0647\u0648 \u0645\u0627 \u064a\u0645\u064a\u0632 \u0623\u0644\u064a\u0627\u0641 PVA \u0639\u0646 \u063a\u064a\u0631\u0647\u0627 \u0645\u0646 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639\u064a\u0629 \u0627\u0644\u0623\u062e\u0631\u0649. \u0641\u064a \u0645\u0632\u064a\u062c \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u060c \u062a\u0639\u0645\u0644 \u0625\u0636\u0627\u0641\u0629 \u0627\u0644\u0623\u0644\u064a\u0627\u0641 \u0639\u0644\u0649 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0648\u062a\u0642\u0644\u064a\u0644 \u0639\u0631\u0636 \u0627\u0644\u0634\u0642\u0648\u0642. \u0641\u064a \u062e\u0644\u064a\u0637 \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0645\u0635\u0645\u0645\u0629 \u062d\u0648\u0644 \u0623\u0644\u064a\u0627\u0641 PVA\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0631\u0643\u0628 \u0623\u0646 \u064a\u062d\u0642\u0642 \u0642\u062f\u0631\u0627\u062a \u0625\u062c\u0647\u0627\u062f \u0634\u062f \u062a\u0635\u0644 \u0625\u0644\u0649 3-7% - \u0623\u064a \u0623\u0643\u062b\u0631 \u0645\u0646 300 \u0636\u0639\u0641 \u0642\u062f\u0631\u0629 \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629 \u0627\u0644\u0639\u0627\u062f\u064a\u0629.<\/p>\n\n\n\n

\n\n\n\n

\u0623\u0644\u064a\u0627\u0641 PVA \u0644\u0644\u062e\u0631\u0633\u0627\u0646\u0629: \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0648\u0627\u0644\u0637\u0644\u0628 \u0641\u064a \u0627\u0644\u0633\u0648\u0642<\/h2>\n\n\n\n

\u0625\u0646 \u0645\u0639\u0631\u0641\u0629 \u0645\u0643\u0627\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u0644\u064a\u0627\u0641 PVA - \u0648\u0644\u0645\u0627\u0630\u0627 - \u064a\u0633\u0627\u0639\u062f \u0627\u0644\u0645\u0648\u0632\u0639\u064a\u0646 \u0639\u0644\u0649 \u0627\u0633\u062a\u0647\u062f\u0627\u0641 \u0642\u0637\u0627\u0639\u0627\u062a \u0627\u0644\u0633\u0648\u0642 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0648\u0625\u062c\u0631\u0627\u0621 \u0645\u062d\u0627\u062f\u062b\u0627\u062a \u0645\u0633\u062a\u0646\u064a\u0631\u0629 \u0645\u0639 \u0627\u0644\u0645\u0634\u062a\u0631\u064a\u0646.<\/p>\n\n\n\n

\u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0623\u0633\u0645\u0646\u062a\u064a\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 (ECC\/SHCC)<\/h3>\n\n\n\n

\u062a\u064f\u0639\u062f \u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0623\u0633\u0645\u0646\u062a \u0627\u0644\u0645\u062a\u0635\u0644\u0628 \u0628\u0627\u0644\u0625\u062c\u0647\u0627\u062f (ECC)\u060c \u0648\u0627\u0644\u062a\u064a \u062a\u0633\u0645\u0649 \u0623\u064a\u0636\u064b\u0627 \u0627\u0644\u0645\u0631\u0643\u0628\u0627\u062a \u0627\u0644\u0623\u0633\u0645\u0646\u062a\u064a\u0629 \u0627\u0644\u0645\u062a\u0635\u0644\u0628\u0629 \u0628\u0627\u0644\u0625\u062c\u0647\u0627\u062f (SHCC)\u060c \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0645\u0645\u064a\u0632 \u0644\u0623\u0644\u064a\u0627\u0641 PVA. \u0648\u062a\u062a\u064a\u062d \u0623\u0644\u064a\u0627\u0641 \u0627\u0644\u0628\u0648\u0644\u064a \u0641\u064a\u0646\u064a\u0644 \u0643\u0644\u0648\u0631\u0627\u064a\u062f \u0627\u0644\u0628\u0648\u0644\u064a \u0641\u064a\u0646\u064a\u0644 \u0643\u0644\u0648\u0631\u0627\u064a\u062f \u0641\u064a \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629 \u0627\u0644\u0625\u0633\u0645\u0646\u062a\u064a\u0629 \u0627\u0644\u0645\u0631\u0646\u0629 \u0633\u0644\u0648\u0643\u064b\u0627 \u0645\u0631\u0646\u064b\u0627 \u0648\u0642\u0627\u0628\u0644\u064b\u0627 \u0644\u0644\u0633\u062d\u0628 \u0641\u064a \u0645\u0627\u062f\u0629 \u0642\u062f \u062a\u0643\u0648\u0646 \u0647\u0634\u0629. \u0648\u0644\u0627 \u064a\u0648\u062c\u062f \u062d\u0627\u0644\u064a\u064b\u0627 \u0623\u064a \u0623\u0644\u064a\u0627\u0641 \u0627\u0635\u0637\u0646\u0627\u0639\u064a\u0629 \u0623\u062e\u0631\u0649 \u062a\u0636\u0627\u0647\u064a \u0623\u062f\u0627\u0621 \u0623\u0644\u064a\u0627\u0641 PVA \u0641\u064a \u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u062e\u0631\u0633\u0627\u0646\u0629 \u0627\u0644\u0625\u0633\u0645\u0646\u062a\u064a\u0629 \u0627\u0644\u0645\u062a\u0635\u0644\u062f\u0629.<\/p>\n\n\n\n

\u062a\u0634\u0645\u0644 \u062a\u0637\u0628\u064a\u0642\u0627\u062a PVA-ECC \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n