1, isingeniso sefilimu ye-polyester Ifilimu ye-polyester ibizwa nangokuthi ifilimu ye-polyester (i-PET) (ifilimu ekhanyayo, ifilimu ye-polyester, iphepha elibucayi, ifilimu ye-polyester, ifilimu ye-benzene tin, i-cellophane, ifilimu yokukhulula), iyi-polyethylene terephthalate njengezinto zokusetshenziswa, ukusetshenziswa kwe-extrusion. indlela yoku...
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