{"id":5509,"date":"2026-08-18T05:28:29","date_gmt":"2026-08-18T05:28:29","guid":{"rendered":"https:\/\/ppboxy.com\/?p=5509"},"modified":"2026-08-19T06:30:41","modified_gmt":"2026-08-19T06:30:41","slug":"%d8%b9%d9%85%d9%84%d9%8a%d8%a9-%d8%aa%d8%b5%d9%86%d9%8a%d8%b9-%d8%a7%d9%84%d8%a3%d9%84%d9%88%d8%a7%d8%ad-%d8%a7%d9%84%d9%85%d9%85%d9%88%d8%ac%d8%a9-%d9%85%d9%86-%d9%85%d8%a7%d8%af%d8%a9-pp","status":"publish","type":"post","link":"https:\/\/ppboxy.com\/ar\/%d8%b9%d9%85%d9%84%d9%8a%d8%a9-%d8%aa%d8%b5%d9%86%d9%8a%d8%b9-%d8%a7%d9%84%d8%a3%d9%84%d9%88%d8%a7%d8%ad-%d8%a7%d9%84%d9%85%d9%85%d9%88%d8%ac%d8%a9-%d9%85%d9%86-%d9%85%d8%a7%d8%af%d8%a9-pp\/","title":{"rendered":"\u0639\u0645\u0644\u064a\u0629 \u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0645\u0645\u0648\u062c\u0629 \u0645\u0646 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646: \u0645\u0646 \u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0627\u0644\u062e\u0627\u0645 \u0625\u0644\u0649 \u0627\u0644\u0644\u0648\u062d \u0627\u0644\u0646\u0647\u0627\u0626\u064a"},"content":{"rendered":"
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\u062a\u063a\u0637\u064a \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0648\u0635\u0648\u0644\u0627\u064b \u0625\u0644\u0649 \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0627\u0644\u0633\u0627\u062e\u0646\u0629<\/p><\/td><\/tr><\/tbody><\/table>

\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u062e\u0627\u0645 \u2014 \u0627\u062e\u062a\u064a\u0627\u0631 \u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646<\/h2>

\u0644\u064a\u0633\u062a \u062c\u0645\u064a\u0639 \u0623\u0646\u0648\u0627\u0639 \u0631\u0627\u062a\u0646\u062c\u0627\u062a \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u0645\u062a\u0634\u0627\u0628\u0647\u0629. \u0641\u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0630\u064a \u062a\u062e\u062a\u0627\u0631\u0647 \u064a\u062d\u062f\u062f \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0642\u0648\u0629 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0648\u062c\u0648\u062f\u0629 \u0633\u0637\u062d\u0647\u0627 \u0648\u0645\u062f\u0649 \u0645\u0644\u0627\u0621\u0645\u062a\u0647\u0627 \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0645\u0639\u064a\u0646\u0629.<\/p>

\u062f\u0631\u062c\u0629 \u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0648\u0645\u0624\u0634\u0631 \u062a\u062f\u0641\u0642 \u0627\u0644\u0630\u0648\u0628\u0627\u0646 (MFI)<\/h3>

\u064a\u0642\u064a\u0633 \u0645\u0624\u0634\u0631 \u062a\u062f\u0641\u0642 \u0627\u0644\u0630\u0648\u0628\u0627\u0646 (MFI) \u0645\u062f\u0649 \u0633\u0647\u0648\u0644\u0629 \u062a\u062f\u0641\u0642 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 (PP) \u0627\u0644\u0645\u0646\u0635\u0647\u0631 \u0639\u0628\u0631 \u0642\u0627\u0644\u0628 \u0645\u0648\u062d\u062f \u0641\u064a \u0638\u0644 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0648\u062d\u0645\u0644 \u0645\u062d\u062f\u062f\u064a\u0646. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0628\u062b\u0642 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0645\u0645\u0648\u062c\u0629:<\/p>

\u0646\u0637\u0627\u0642 MFI (\u063a\/10 \u062f\u0642\u0627\u0626\u0642)<\/p><\/td>

\u0646\u0648\u0639 \u0627\u0644\u0631\u0627\u062a\u0646\u062c<\/p><\/td>

\u0627\u0644\u0623\u0641\u0636\u0644 \u0644\u0640<\/p><\/td>

\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0623\u0644\u0648\u0627\u062d<\/p><\/td><\/tr>

1.5\u20133.0<\/p><\/td>

\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0644\u0632\u0648\u062c\u0629 (\u0645\u0624\u0634\u0631 \u062a\u062f\u0641\u0642 \u0627\u0644\u0628\u0644\u0627\u0633\u062a\u064a\u0643 \u0645\u0646\u062e\u0641\u0636)<\/p><\/td>

\u0623\u0644\u0648\u0627\u062d \u0634\u062f\u064a\u062f\u0629 \u0627\u0644\u062a\u062d\u0645\u0644 (8\u201312 \u0645\u0645)<\/p><\/td>

\u0642\u0648\u0629 \u062a\u0623\u062b\u064a\u0631 \u0639\u0627\u0644\u064a\u0629\u060c \u0639\u0645\u0644\u064a\u0629 \u0628\u062b\u0642 \u0623\u0628\u0637\u0623<\/p><\/td><\/tr>

3.0\u20136.0<\/p><\/td>

\u0645\u062a\u0648\u0633\u0637\u0629 \u0627\u0644\u0644\u0632\u0648\u062c\u0629<\/p><\/td>

\u0644\u0644\u0623\u063a\u0631\u0627\u0636 \u0627\u0644\u0639\u0627\u0645\u0629 (3\u20136 \u0645\u0645)<\/p><\/td>

\u062a\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u0627\u0644\u0642\u0648\u0629 \u0648\u0633\u0631\u0639\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c<\/p><\/td><\/tr>

6.0\u201312.0<\/p><\/td>

\u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0644\u0632\u0648\u062c\u0629 (\u0645\u0624\u0634\u0631 \u062a\u062f\u0641\u0642 \u0627\u0644\u0628\u0644\u0627\u0633\u062a\u064a\u0643 (MFI) \u0645\u0631\u062a\u0641\u0639)<\/p><\/td>

\u0635\u0641\u0627\u0626\u062d \u0631\u0642\u064a\u0642\u0629 (2\u20133 \u0645\u0645)<\/p><\/td>

\u0633\u0637\u062d \u0623\u0645\u0644\u0633\u060c \u0648\u0648\u0642\u062a \u062f\u0648\u0631\u0629 \u0623\u0633\u0631\u0639<\/p><\/td><\/tr><\/tbody><\/table>

\u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629:<\/strong> \u062a\u0633\u062a\u062e\u062f\u0645 \u0628\u0639\u0636 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0631\u0627\u062a\u0646\u062c\u064b\u0627 \u0645\u0639\u0627\u062f \u062a\u062f\u0648\u064a\u0631\u0647 \u0630\u064a \u0645\u0639\u0627\u0645\u0644 \u0627\u0646\u0633\u064a\u0627\u0628\u064a\u0629 (MFI) \u0645\u0631\u062a\u0641\u0639 \u0644\u0632\u064a\u0627\u062f\u0629 \u0633\u0631\u0639\u0629 \u0627\u0644\u0625\u0646\u062a\u0627\u062c. \u0648\u062a\u062a\u0645\u064a\u0632 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0645\u0646\u062a\u062c\u0629 \u0628\u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0628\u0645\u0642\u0627\u0648\u0645\u0629 \u0635\u062f\u0645\u0627\u062a \u0623\u0642\u0644 \u0628\u0646\u0633\u0628\u0629 25\u201340% \u0645\u0642\u0627\u0631\u0646\u0629\u064b \u0628\u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0645\u0635\u0646\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0628\u0643\u0631. \u0627\u062d\u0631\u0635 \u062f\u0627\u0626\u0645\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u0645\u0646 \u0627\u0644\u0645\u0648\u0631\u062f \u0639\u0646 \u0646\u0633\u0628\u0629 \u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0628\u0643\u0631 \u0648\u062f\u0631\u062c\u0629 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0627\u0646\u0633\u064a\u0627\u0628\u064a\u0629 (MFI).<\/p>

\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0636\u0627\u0641\u0629 \u0648\u0627\u0644\u0645\u0633\u062a\u0631\u0628\u0627\u062a\u0634<\/h3>

\u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u060c \u064a\u062a\u0645 \u062e\u0644\u0637 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0636\u0627\u0641\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0645\u0639 \u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u0642\u0628\u0644 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0628\u062b\u0642:<\/p>

\u0627\u0644\u0645\u0636\u0627\u0641\u0627\u062a<\/p><\/td>

\u0627\u0644\u063a\u0631\u0636<\/p><\/td>

\u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/p><\/td>

\u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u0639\u0631\u0641 \u0639\u0644\u064a\u0647 \u0645\u0646 \u062e\u0644\u0627\u0644<\/p><\/td><\/tr>

\u062e\u0644\u064a\u0637 \u0627\u0644\u0623\u0644\u0648\u0627\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a<\/p><\/td>

\u0644\u0648\u0646 \u0645\u0648\u062d\u062f \u0641\u064a \u062c\u0645\u064a\u0639 \u0623\u0646\u062d\u0627\u0621 \u0627\u0644\u0648\u0631\u0642\u0629<\/p><\/td>

2\u20135%<\/p><\/td>

\u0627\u062a\u0633\u0627\u0642 \u0627\u0644\u0623\u0644\u0648\u0627\u0646 \u0641\u064a \u0627\u0644\u0645\u0642\u0637\u0639 \u0627\u0644\u0639\u0631\u0636\u064a<\/p><\/td><\/tr>

\u0645\u062b\u0628\u062a \u0644\u0644\u0623\u0634\u0639\u0629 \u0641\u0648\u0642 \u0627\u0644\u0628\u0646\u0641\u0633\u062c\u064a\u0629 (HALS)<\/p><\/td>

\u064a\u0645\u0646\u0639 \u0627\u0644\u062a\u0644\u0641 \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646 \u0623\u0634\u0639\u0629 \u0627\u0644\u0634\u0645\u0633<\/p><\/td>

0.5\u20132%<\/p><\/td>

\u0645\u062f\u0629 \u0627\u0644\u0636\u0645\u0627\u0646 \u0641\u064a \u0627\u0644\u0623\u0645\u0627\u0643\u0646 \u0627\u0644\u0645\u0641\u062a\u0648\u062d\u0629<\/p><\/td><\/tr>

\u0639\u0627\u0645\u0644 \u0645\u0636\u0627\u062f \u0644\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0627\u0644\u0633\u0627\u0643\u0646\u0629<\/p><\/td>

\u064a\u0642\u0644\u0644 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 \u0625\u0644\u0649 10\u2076\u201310\u2079 \u0623\u0648\u0645<\/p><\/td>

1\u20133%<\/p><\/td>

\u062a\u0642\u0631\u064a\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0633\u0637\u062d<\/p><\/td><\/tr>

\u0645\u062b\u0628\u0637 \u0644\u0644\u0647\u0628<\/p><\/td>

\u064a\u062d\u0635\u0644 \u0639\u0644\u0649 \u062a\u0635\u0646\u064a\u0641 UL94 V-0 \u0623\u0648 V-2<\/p><\/td>

5\u201315%<\/p><\/td>

\u0634\u0647\u0627\u062f\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0644\u0647\u0628<\/p><\/td><\/tr>

\u0623\u0633\u0648\u062f \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0627\u0644\u0645\u0648\u0635\u0651\u0644<\/p><\/td>

\u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0633\u0637\u062d\u064a\u0629 <10\u2076 \u0623\u0648\u0645<\/p><\/td>

10\u201320%<\/p><\/td>

\u0627\u0644\u0644\u0648\u0646 \u0627\u0644\u0623\u0633\u0648\u062f \u0641\u064a \u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u062c\u0632\u0627\u0621<\/p><\/td><\/tr>

\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0628\u0644\u0648\u0631<\/p><\/td>

\u064a\u062d\u0633\u0651\u0646 \u0627\u0644\u0648\u0636\u0648\u062d \u0648\u0627\u0644\u0635\u0644\u0627\u0628\u0629<\/p><\/td>

0.1\u20130.5%<\/p><\/td>

\u0646\u0641\u0627\u0630\u064a\u0629 \u0623\u0639\u0644\u0649<\/p><\/td><\/tr><\/tbody><\/table>

\u0645\u0632\u064a\u062c \u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0628\u0643\u0631 \u0645\u0642\u0627\u0628\u0644 \u0645\u0632\u064a\u062c \u0627\u0644\u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0645\u0639\u0627\u062f \u062a\u062f\u0648\u064a\u0631\u0647<\/h3>

\u0641\u064a \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0631\u0627\u0639\u064a \u0627\u0644\u062a\u0643\u0644\u0641\u0629\u060c \u0642\u062f \u064a\u0642\u0648\u0645 \u0627\u0644\u0645\u0635\u0646\u0639\u0648\u0646 \u0628\u0645\u0632\u062c \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u0627\u0644\u0628\u0643\u0631 \u0645\u0639 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u0627\u0644\u0645\u0639\u0627\u062f \u062a\u062f\u0648\u064a\u0631\u0647. \u0648\u0625\u0644\u064a\u0643 \u0645\u0627 \u064a\u0639\u0646\u064a\u0647 \u0630\u0644\u0643 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u062c\u0648\u062f\u0629 \u0627\u0644\u0623\u0644\u0648\u0627\u062d:<\/p>

\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0628\u0643\u0631 \u0625\u0644\u0649 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0639\u0627\u062f \u062a\u062f\u0648\u064a\u0631\u0647\u0627<\/p><\/td>

\u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0635\u062f\u0645\u0627\u062a<\/p><\/td>

\u062c\u0648\u062f\u0629 \u0627\u0644\u0633\u0637\u062d<\/p><\/td>

\u0645\u0648\u0635\u0649 \u0628\u0647 \u0644\u0640<\/p><\/td><\/tr>

100% \u0628\u0643\u0631<\/p><\/td>

\u062e\u0637 \u0627\u0644\u0623\u0633\u0627\u0633 100%<\/p><\/td>

\u0645\u0645\u062a\u0627\u0632<\/p><\/td>

\u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u063a\u0630\u0627\u0626\u064a\u060c \u0648\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0637\u0628\u064a\u060c \u0648\u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a<\/p><\/td><\/tr>

80\/20<\/p><\/td>

90\u201395%<\/p><\/td>

\u062c\u064a\u062f \u062c\u062f\u064b\u0627<\/p><\/td>

\u062a\u063a\u0644\u064a\u0641 \u0627\u0644\u0635\u0627\u062f\u0631\u0627\u062a\u060c \u0627\u0644\u0644\u0627\u0641\u062a\u0627\u062a<\/p><\/td><\/tr>

60\/40<\/p><\/td>

75\u201385%<\/p><\/td>

\u062c\u064a\u062f<\/p><\/td>

\u0641\u0648\u0627\u0635\u0644 \u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0648\u0633\u0627\u062f\u0627\u062a \u0637\u0628\u0642\u0627\u062a<\/p><\/td><\/tr>

50\/50 \u0623\u0648 \u0623\u0642\u0644<\/p><\/td>

<70%<\/p><\/td>

\u0627\u0644\u0639\u064a\u0648\u0628 \u0627\u0644\u0638\u0627\u0647\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0633\u0637\u062d<\/p><\/td>

\u062a\u063a\u0644\u064a\u0641 \u0645\u062e\u0635\u0635 \u0644\u0644\u0646\u0642\u0644 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0648\u0627\u062d\u062f \u0641\u0642\u0637<\/p><\/td><\/tr><\/tbody><\/table>

\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0628\u062b\u0642 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/h2>

\u0627\u0644\u062e\u0637\u0648\u0629 1: \u062a\u063a\u0630\u064a\u0629 \u0627\u0644\u0631\u0627\u062a\u064a\u0646\u062c \u0648\u0627\u0644\u062e\u0644\u0637 \u0627\u0644\u0645\u0633\u0628\u0642<\/h3>

\u062a\u064f\u0648\u0632\u0646 \u062d\u0628\u064a\u0628\u0627\u062a \u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 (PP) \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0636\u0627\u0641\u0629\u060c \u062b\u0645 \u062a\u064f\u063a\u0630\u0649 \u0641\u064a \u062e\u0644\u0627\u0637 \u0639\u0627\u0644\u064a \u0627\u0644\u0633\u0631\u0639\u0629. \u0648\u062a\u0633\u062a\u0645\u0631 \u062f\u0648\u0631\u0629 \u0627\u0644\u062e\u0644\u0637 \u0644\u0645\u062f\u0629 3\u20135 \u062f\u0642\u0627\u0626\u0642 \u0628\u0633\u0631\u0639\u0629 \u062f\u0648\u0631\u0627\u0646 \u062a\u0628\u0644\u063a \u062d\u0648\u0627\u0644\u064a 1,200 \u062f\u0648\u0631\u0629 \u0641\u064a \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0644\u0636\u0645\u0627\u0646 \u0627\u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0645\u062a\u062c\u0627\u0646\u0633 \u0644\u0645\u0632\u064a\u062c \u0627\u0644\u0623\u0644\u0648\u0627\u0646 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0636\u0627\u0641\u0629 \u0627\u0644\u0648\u0638\u064a\u0641\u064a\u0629.<\/p>

\u0627\u0644\u0645\u0639\u0644\u0645\u0629 \u0627\u0644\u062d\u0627\u0633\u0645\u0629 \u2014 \u0627\u0644\u062a\u062c\u0641\u064a\u0641:<\/strong> \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0645\u0627\u062f\u0629 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 (PP) \u062a\u062a\u0645\u064a\u0632 \u0628\u0627\u0645\u062a\u0635\u0627\u0635 \u0645\u0646\u062e\u0641\u0636 \u062c\u062f\u064b\u0651\u0627 \u0644\u0644\u0631\u0637\u0648\u0628\u0629 (60%).<\/p>

\u0627\u0644\u062e\u0637\u0648\u0629 2: \u0627\u0644\u0628\u062b\u0642 \u0648\u0627\u0644\u0635\u0647\u0631<\/h3>

\u064a\u062f\u062e\u0644 \u0627\u0644\u0631\u0627\u062a\u064a\u0646\u062c \u0627\u0644\u0645\u062e\u0644\u0648\u0637 \u0625\u0644\u0649 \u0622\u0644\u0629 \u0628\u062b\u0642 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0644\u0648\u0644\u0628 \u0623\u0648 \u062b\u0646\u0627\u0626\u064a\u0629 \u0627\u0644\u0644\u0648\u0644\u0628. \u064a\u062f\u0648\u0631 \u0627\u0644\u0644\u0648\u0644\u0628 \u0628\u0633\u0631\u0639\u0629 \u062a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 30 \u064880 \u062f\u0648\u0631\u0629 \u0641\u064a \u0627\u0644\u062f\u0642\u064a\u0642\u0629\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0628\u0648\u0644\u064a \u0628\u0631\u0648\u0628\u064a\u0644\u064a\u0646 \u062a\u062f\u0631\u064a\u062c\u064a\u064b\u0627 \u0639\u0628\u0631 \u062b\u0644\u0627\u062b \u0645\u0646\u0627\u0637\u0642 \u0641\u064a \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0629:<\/p>

\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0628\u0631\u0645\u064a\u0644<\/p><\/td>

\u0646\u0637\u0627\u0642 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/p><\/td>

\u0627\u0644\u0648\u0638\u064a\u0641\u0629<\/p><\/td><\/tr>

\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u062a\u063a\u0630\u064a\u0629<\/p><\/td>

180\u2013190 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/p><\/td>

\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u062d\u0628\u064a\u0628\u0627\u062a \u0645\u0633\u0628\u0642\u064b\u0627 \u0648\u062a\u0644\u064a\u064a\u0646\u0647\u0627<\/p><\/td><\/tr>

\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0627\u0646\u0636\u063a\u0627\u0637<\/p><\/td>

200\u2013220 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/p><\/td>

\u0627\u0644\u0630\u0648\u0628\u0627\u0646 \u0627\u0644\u0643\u0627\u0645\u0644 \u0648\u0627\u0644\u062a\u062c\u0627\u0646\u0633<\/p><\/td><\/tr>

\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0642\u064a\u0627\u0633<\/p><\/td>

210\u2013230 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/p><\/td>

\u062a\u062b\u0628\u064a\u062a \u0636\u063a\u0637 \u0627\u0644\u0630\u0648\u0628\u0627\u0646 \u0642\u0628\u0644 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0642\u0627\u0644\u0628<\/p><\/td><\/tr><\/tbody><\/table>

\u0627\u0644\u0645\u0639\u0644\u0645\u0629 \u0627\u0644\u062d\u0627\u0633\u0645\u0629 \u2014 \u0636\u063a\u0637 \u0627\u0644\u0630\u0648\u0628\u0627\u0646:<\/strong> Die inlet pressure should be maintained at 12\u201318 MPa. Pressure fluctuations greater than \u00b11.5 MPa cause thickness variation across the sheet width.<\/p>

Step 3: Twin-Wall Die Forming<\/h3>

The molten PP exits the extruder through a specially designed T-die that creates the twin-wall corrugated structure. The die contains precision-machined channels that form the two flat face layers and the connecting flutes (ribs).<\/p>

Die Parameter<\/p><\/td>

Typical Value<\/p><\/td>

Effect on Sheet<\/p><\/td><\/tr>

Die gap (total)<\/p><\/td>

2\u201312mm (adjustable)<\/p><\/td>

Determines sheet thickness<\/p><\/td><\/tr>

Flute pitch<\/p><\/td>

5\u20138mm<\/p><\/td>

Affects rigidity and weight<\/p><\/td><\/tr>

Die width<\/p><\/td>

1,600\u20132,200mm<\/p><\/td>

Maximum sheet width<\/p><\/td><\/tr>

Die temperature<\/p><\/td>

200\u2013215\u00b0C<\/p><\/td>

Surface smoothness<\/p><\/td><\/tr><\/tbody><\/table>

Critical parameter \u2014 die temperature uniformity:<\/strong> Temperature variation across the die width should not exceed \u00b13\u00b0C. Greater variation causes uneven flow, resulting in thickness differences across the sheet (edge-to-center thickness variation >0.3mm is a rejectable defect).<\/p>

Step 4: Cooling and Calibration<\/h3>

The newly formed sheet passes through a vacuum calibrator and cooling system:<\/p>

Cooling Stage<\/p><\/td>

Method<\/p><\/td>

\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/p><\/td>

Duration<\/p><\/td><\/tr>

Primary cooling<\/p><\/td>

Vacuum calibrator with chilled water<\/p><\/td>

15\u201320\u00b0C<\/p><\/td>

2\u20134 seconds<\/p><\/td><\/tr>

Secondary cooling<\/p><\/td>

Cooling rollers<\/p><\/td>

20\u201330\u00b0C<\/p><\/td>

3\u20135 seconds<\/p><\/td><\/tr>

Stabilization<\/p><\/td>

Air cooling<\/p><\/td>

Ambient<\/p><\/td>

Until sheet <40\u00b0C<\/p><\/td><\/tr><\/tbody><\/table>

Critical parameter \u2014 cooling water temperature:<\/strong> If water temperature exceeds 25\u00b0C, the sheet exits the calibrator too soft, causing flute deformation and surface waviness. If below 10\u00b0C, thermal shock can create internal stresses that cause later warpage.<\/p>

Step 5: Haul-Off and Tension Control<\/h3>

A caterpillar-type haul-off machine pulls the sheet at a controlled speed (2\u20136 m\/min depending on thickness). The haul-off speed directly affects sheet thickness:<\/p>