-
PVC chikopa zopangira-PVC utomoni
Chikopa cha PVC (polyvinyl chloride) ndi mtundu woyambirira wa chikopa chabodza chomwe chimapangidwa posintha gulu la haidrojeni ndi gulu la chloride m'magulu a vinyl.Zotsatira zakusintha uku zimaphatikizidwa ndi mankhwala ena kuti apange nsalu yapulasitiki yolimba yomwe ndiyosavuta kuyipanga ...Werengani zambiri
