1.PVC ,PPR,PE,PVDF pipe fitting injection machine 2.with CE PVC ,PPR,PE,PVDF pipe fitting injection machine with CE1. PVC raw ... as followings:No obviously Melt point , degradate ahove 1500C in air, even if add stabilizing agent, tooling temp. under 2000C, it ... suitable for compress length as to decrease shear heat, screw design with double spiral groove divide into not plasticizing PVC raw material ...