PVC (polyvinyl chloride) yog cov khoom siv hauv cov kav dej da dej rau cov laj thawj hauv qab no:
Corrosion kuj: PVC muaj qhov zoo corrosion kuj thiab tuaj yeem siv tau ntev yam tsis muaj dej yaig.
Thaum tshav kub kub tsis kam: PVC tuaj yeem tiv taus qhov kub thiab txias, tsis yooj yim rau deform, haum rau chav dej kub kub ib puag ncig.
dabtsi yog khoov tsis kam: PVC hose muaj zog dabtsi yog khoov tsis kam thiab tuaj yeem khoov ntawm lub siab kom hloov mus rau txoj hlua txuas txuas.
Lub teeb yuag: PVC da dej hose yog lub teeb yuag thiab yooj yim rau nruab thiab tswj.
Kev lag luam: Piv nrog rau lwm cov ntaub ntawv, PVC da dej hose yog pheej yig dua thiab pheej yig dua.
PVC yog ib qho khoom siv rau chav da dej hoses thiab yog qhov kev xaiv tsim nyog xav txog thaum yuav khoom. Txawm li cas los xij, cov neeg siv tseem yuav tsum tau them sai sai rau kev xaiv cov kav dej da dej nrog cov qauv zoo thiab kev nyab xeeb kom ntseeg tau tias muaj kev nyab xeeb thiab kev ntseeg siab ntawm cov khoom.
