EC21 Product Catalogs - bimetallic screw and barrel http://www.ec21.com/ec-market/bimetallic screw and barrel.html The Screw and Barrel of Bimetallic-alloyhttp://will0828.en.ec21.com/The_Screw_and_Barrel_of--3656709_3657211.html spray coating Bimetallic-alloy,Build-up welding, Centrifugal casting 20090815 Bimetallic Twin Barrelshttp://celin091026.en.ec21.com/Bimetallic_Twin_Barrels--3920888_4008100.html Extruder screw and barrel for plastic extruder, Bimetallic extruder barrels Material: 38CrMoAlA 40CrMo 42CrMo high qua20091216 WPC Profile Extrusion Linehttp://elainerunzhang.en.ec21.com/WPC_Profile_Extrusion_Line--3979892_3979893.htmlscrew and barrel were under of bimetal treatment, so they have the advantages of corrosion-resistance and wear-resistan20091212 Twin Conical Screw Barrelhttp://chally7.en.ec21.com/Twin_Conical_Screw_Barrel--3319201_3366378.html Twin Conical Screw Barrel Keywords: screw barrel, twin conical screw barrel ,bimetallic screw barrel ,extruder sc20091019 Bimettallic Barrel and Screwhttp://zinsser.en.ec21.com/Bimettallic_Barrel_and_Screw--3729740_3729757.html Bimetallic barrel barrel wall in a layer of 2-3mm welding of wear-resistant corrosion-resistant, high temperature allo20090808 PVC-Specific Injection Molding Machinehttp://shinwell.en.ec21.com/PVC_Specific_Injection_Molding_Machine--3378173_3378242.htmland high wear resistance bimetallic screw set. Use of cooling fan to control barrel temperature. Multi-stage settings20090302