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Tsarin busa kwalbar PET
Kwalaben abin sha kwalaben PET ne da aka gyara waɗanda aka haɗa da polyethylene naphthalate (PEN) ko kwalaben PET da thermoplastic polyarylate. An rarraba su a matsayin kwalaben zafi kuma suna iya jure zafi sama da 85 ° C; kwalaben ruwa kwalaben sanyi ne, babu buƙatar zafi...Kara karantawa
