Polyvinyl chloride (PVC, lossis vinyl) pheej yig thiab siv tau ntau yam yog siv rau ntau yam kev siv hauv kev tsim kho, kev kho mob, khoom siv hluav taws xob, tsheb thiab lwm yam khoom, hauv cov khoom xws li cov kav dej thiab cov siding, cov hnab ntshav thiab cov yeeb nkab, rau cov hlau thiab cov cable rwb thaiv tsev, cov khoom siv ntawm lub iav pem hauv ntej thiab ntau ntxiv.
Lub sijhawm tshaj tawm: Lub Xya Hli-27-2022