Qhov txawv ntawm PVC thiab PVCU yog dab tsi?

PVC yog lub ntsiab lus nrov siv los piav txog cov yas ua los ntawm polyvinyl-chloride. Qhov "U" ntawm PVCU txhais tau hais tias nws yog Un-plasticised thiab yog li tsis tau muaj cov yas ntxiv rau nws kom nws mos (xws li: rau tarpaulins) - yog li, ntau qhov tseeb, txhua yam khoom siv PVC yuav tsum tau hu ua UPVC lossis PVCU. . Feem ntau cov neeg, txawm li cas los xij, tsuas yog hu ua PVC.