Dab tsi yog qhov txawv ntawm Stretch Wrap Film thiab Protective Film?

1. Cov khoom siv yog tib yam, cov txheej txheem sib txawv: cov yeeb yaj kiab stretch yog ua los ntawm polyethylene, polyethylene yog cov khoom siv zoo toughness, thiab tsis yooj yim rau crusher los ntawm cov yas crusher zoo tib yam. Cov khoom tseem ceeb ntawm cov yeeb yaj kiab tiv thaiv yog ethylene, uas yog tsim los ntawm polymerization. Nyob ntawm cov khoom siv thiab cov yas yas ntxiv, cov yeeb yaj kiab tiv thaiv tuaj yeem muab faib ua ntau hom, haum rau ntau zaus.
2. Kev siv sib txawv: zaj duab xis ncab yog siv rau hauv cawv, cov kaus poom, dej ntxhia, ntau yam dej haus, ntaub, tsis yog khoom noj thiab lwm yam khoom muag thiab kev thauj mus los, thiab cov yeeb yaj kiab tiv thaiv feem ntau yog siv rau microwave cua sov, khoom noj khoom haus hauv tub yees, khoom noj tshiab. ntim thiab lwm lub sijhawm, hauv tsev neeg lub neej, khw muag khoom, tsev so, tsev noj mov thiab kev tsim khoom lag luam.
3. Qhov pib ntawm kev tiv thaiv ib puag ncig yog qhov sib txawv: cov khoom siv ntawm PVC qhwv zaj duab xis tuaj yeem txo cov pa phem ib puag ncig, txo cov khoom pov tseg, rov ua dua tshiab, thiab txo cov nqi ntim tag nrho.