... .Suit for pvc pipe,film,sheet,cable.. 4.Long worklife Single Screw Barrel for LDPE ... film Diameter30mm-250mmMin.Order1 setMaterials38CrMoAIA42CrMo(JIS SCM440)9Cr18MoVCW6Mo5Cr4V2SKD11,61GH113Discount AvailableApplicationABS,PP,PA66,LCP,PC,EVA,PS,U-PVC,PVC ... DepartureNingbo/Shanghai PortGuaranteesinlge screw barrel : more than 2.5 yearsBimetallic single screw: Much longer lifespan ...