Gabatarwa na kwamitin PVC
Hukumar kwallon kafa ta PVC, kuma wacce aka sani da polyvinyl chloride boam jirgin, shi ne mai dorewa, allel mai dorewa. Hukumar PVC kumfa tana da fa'idodi na juriya na juriya, karfin ruwa, yanke hukunci, yanke hukunci ko kuma ya bushe don dacewa da aikace-aikace iri-iri.
Boam din PVC kumfa ma babban madadin ne ga wasu kayan kamar itace ko aluminum kuma ana iya lalata kusan shekaru 40 ba tare da wani lahani ba. Wadannan katunan iya iya tsayayya da kowane nau'in yanayin gida da waje, ciki har da matsanancin yanayi.