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: 38CrMoALA

Hardness of Modulator: HB260-290

Hardness of Nitrification: 930-970HV

Depth of Nitrification layer: 0.4-0.7mm

Double-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 mm

Hardness of alloy: HRC>65°

conical twin screw and barrel for WPC,PROFILE