Differences in performance of PVC, UPVC, CPVC, PP, PE, PB, PVDF plastic pipes
Differences in performance of PVC, UPVC, CPVC, PP, PE, PB, PVDF plastic pipes PVC PVC (PolyVinylChloride polyvinyl chloride) generally has 7 grades (SG1-SG7) according to the hardness and performance of the material, and the density is about 1.4 g / cm³. Below SG4 is generally a soft product, and a large amount of plasticizer needs to be added during molding. It is mainly used to make artifi