Conical twin-screw and barrel
Specifications: Φ45/Φ90, Φ45/Φ100, Φ50/Φ105, Φ51/Φ105, Φ55/Φ110, Φ55/Φ120,Φ58/Φ124, Φ60/Φ125, Φ65/Φ120, Φ65/Φ132, Φ68/Φ143, Φ70/Φ140, Φ75/Φ150, Φ80/Φ143, Φ80/Φ156, Φ92/Φ188

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 data:

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