Conical twin-screw and barrel
Specifications: 45/90, 45/100, 50/105, 51/105, 55/110, 55/120,58/124, 60/125, 65/120, 65/132, 68/143, 70/140, 75/150, 80/143, 80/156, 92/188

The compression ratio of the screw can be designed according to different products and mixtures. 
Use:PVC,PE

Materials:

 Alloy-steel of high quality

1) 38CrMoAlA(JIS SACM645)

2)  9Cr18MoV

technical parameters:

Nitrided Hardness: HV 900-1000
Nitrided Case Depth: 0.50mm-0.80mm
Alloy hardness: HRC50-65
Alloy depth: 0.8mm-2.0mm
Advanced nitriding process
Corrosion&Abrasion resistance bimetal spraying process