Specifications

PX-45/2~150/2
Lenght/Diameter Ratio:L/D=18~25
The compression ratio of the screw can be designed according to different raw materials and products.
Use for PVC,PP,PE

Materials: Alloy-steel of high quality
1) 38CrMoAlA(JIS SACM645)
2)  9Cr18MoV

Nitrided and Bimetallic layers in screw and barrel
Alloy depth: 0.8mm-2.0mm, the max depth 3-4mm 
Advanced nitriding process
Corrosion&Abrasion resistance bimetal spraying process

We appreciatr any of your request.
Doing our best to meet your need is our main aim.