conical twin screw and barrel for WPC,PROFILE

The barrel and scerw can be designed different structure according to the different product and market requests.Specifications of conical twin-screw and barrel: 45/90, 45/97, 50/103, 55/110, 60/120,65/125, 65/132, 68/146, 80/156, 80/172, 92/188.Technical standard:Material: 38CrMoALAHardness of Modulator: HB260-290Hardness of Nitrification: 930-970HVDepth of Nitrification layer: 0.4-0.7mmDouble-alloy technical standard:Double-alloy level: Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5%Hardness of alloy: HRC56-65°Applied scope of plastic: applied for all kinds of appended fiberglass, plastic and PPA, PPO, PPS, LCP, magnetism powder and PC special engineering plasticComponents of alloy powderDepth of alloy layer: 1.2 mm-2.0 mmHardness of alloy: HRC>65°