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Kev paub yooj yim ntawm lub raj mis tsis muaj cua
1. Txog lub raj mis tsis muaj cua Cov ntsiab lus ntawm lub raj mis tsis muaj cua tuaj yeem raug thaiv tag nrho los ntawm huab cua kom tiv thaiv cov khoom los ntawm oxidizing thiab hloov pauv vim kov huab cua, thiab yug me nyuam kab mob. Lub tswv yim high-tech txhawb nqa qib khoom. Lub raj mis nqus tsev uas dhau ...Nyeem ntxiv -
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 tshaj 85 ° C; cov fwj dej yog cov fwj txias, tsis tas yuav tsum muaj cua sov...Nyeem ntxiv
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