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  • Cov txheej txheem tshuab raj mis PET

    Cov fwj dej haus yog cov fwj PET hloov kho uas sib xyaw nrog polyethylene naphthalate (PEN) lossis cov fwj sib xyaw ua ke ntawm PET thiab thermoplastic polyarylate. Lawv raug cais ua cov fwj kub thiab tuaj yeem tiv taus cua sov siab dua 85 ° C; cov fwj dej yog cov fwj txias, tsis tas yuav tsum muaj cua sov...
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