1.tunsten alloy screw and barrel 2.high output 3.low power 4.low noise level 5.high quality material tunsten alloy screw and barrelApplication:Injection molding machine,extrusionEffective length:3000mmHardness: Above HRC 651Application: Various high glass fiber,mineral fiber and PPA,PPS PA6T,LCP,VO fire protection,ferrous powder,magnetic powder and plastics characteristic, high temperture ...