PVC yas zaj duab xis yog tsim los ntawm cov khoom siv tshwj xeeb polyvinyl chloride, nrog cov nplaim hluav taws zoo, tiv taus txias, tiv thaiv kab mob, mildew, thiab tsis muaj tshuaj lom. Nws yog tsuas yog siv rau khaws cia, pas dej hauv ob sab phlu, biogas fermentation, thiab cia, tshaj tawm luam ntawv, ntim thiab sealing, thiab lwm yam.
