Cov Khoom Siv Rau Khoom Noj -Qib Zaj duab xis
Kev xaiv cov khoom siv rau zaub mov- qib zaj duab xis cuam tshuam ncaj qha rau zaub mov kev nyab xeeb thiab kev ua haujlwm. Tam sim no, cov khoom tseem ceeb muaj xws li:
Polyethylene (PE): Kev lag luam, yoog raws, haum rau ntim khoom noj khov
Polypropylene (PP): Zoo heev -kub tsis kam, haum rau microwave cua sov daim ntaub ntawv
Polyester (PET): Cov pob tshab, siab ua haujlwm siab, feem ntau siv hauv cov raj mis dej haus
Kev sib piv ntawm cov yam ntxwv ntawm cov khoom sib txawv
Txhua yam khoom noj -qib zaj duab xis cov khoom muaj nws qhov zoo thiab qhov tsis zoo:
Kub Ua Haujlwm: PP tuaj yeem tiv taus kub txog 120 degree, PE feem ntau tsis tshaj 80 degree
Barrier Properties: PET muaj cov pa oxygen barrier zoo dua, PE yog qhov zoo me ntsis
Environmental friendliness: PE yog qhov yooj yim rau degrade, PET muaj tus nqi rov ua dua tshiab
Yuav Ua Li Cas Xaiv Cov Khoom Zoo
Xaiv cov zaub mov- qib zaj duab xis raws li qhov xav tau tiag tiag:
High -Cov Khoom Noj Kub Kub: PP yog qhov nyiam
Yuav Tsum Tau Pom Zoo: Xav txog PET
Kev txiav txim siab nqi: PE yog kev lag luam ntau dua
Environmental Requirements: Degradable PE los yog recyclable PET