Dab tsi yog qhov txawv ntawm pp polypropylene raw khoom thiab cov khoom siv rov ua dua tshiab?

Polypropylene yog thermoplastic thiab tuaj yeem rov siv dua. Cov khoom siv rov ua dua tshiab: Txhua cov ntaub ntawv nyoos uas tuaj yeem rov ua dua tshiab kev lag luam thiab tuaj yeem rov qab los ntawm cov txheej txheem txheej txheem qee yam yog hu ua cov khoom siv rov ua dua tshiab. Feem ntau hais txog siv cov yas siv. Yog li ntawd, polypropylene yog ib hom khoom siv rov ua dua tshiab.