... Bimetallic KMD-50KK Screw Barrel For Plastic MachineFor good plasticizing effect,we have different designs of Bimetallic Twin screw and barrel for plastic extruder machine ... -120,55/110-125,58/125,60/125-129,65/120-132,68/147,70/150,74/156-162,80/143 ... use different alloys as different Plastic raw materialGuarantee Time: More than 12mouthsScope of Application : WPC PVC.WPC PE,Super high molecular sheet ...