Zhoushan Jingai Alloy Precision Casting Co.,Ltd

Extruder screw barrel for granulation extruder

Processing Technics
Heat treatment
Quenching
Nitriding treatment
Bimetallic alloy welding for screw
Bimetallic alloy centrifugal casting for barrel
Hard-chrome electroplating

Main Alloy Materials
Ni-based alloy/Deloro alloy
Tungsten carbide/Wolfram carbide
NiCo-based alloy
Fe-based alloy
Co-based alloy

Screw types:Gradual change, chop, barrier, distributary, separate, air exhausting, pin, mixing and etc.
Specification: Dia 20mm-250mm; L/D=15-45

Application:
1. Generally plastic material
2. Pipe/ Profile/ Sheet/Pelletizing
3. WPC, ABS, TPR, TPU, PMMA, C-PVC, UPVC, RPVC, PET, EVA, PU,PE etc

Treatment: Nitrized, Chrome coating, Quenching, Bimetallic