Specifications 1.Screw barrel for plastic machine 2.Over 30 years experience in screw barrel 3.Direct manufacture of screw barrel Single Screw and Barrel for Blown Polyethylene Film Extrusion • Specification Standards of single screw & barrel for extruder : Screw diameter: Φ15-Φ300mm L/D ratio:15-45 According to different products you can choose General type single screw & barrel, Pin type single screw & barrel, barrier type screw & barrel, separation type screw & barrel , and gas-exhausting type screw & barrel etc. •Technicial Data Base Material 1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11) 3)4Cr5MoSiV1(JIS SKD-61) 4)42CrMo(AISI 4140) Bimetallic Alloy Materials 1)Fe-based alloy 2)Ni-based alloy/Deloro alloy 3)Co-based alloy 4)NiCo-based alloy 5)Tungsten carbide/Wolfram carbide Double-alloy level Level A - containing Tu…