Twin conical screw barrel
Product Description
Specification(diameter):35-77~92-188
L/D16-35
Appliance: PVC pipes, Profiles and U-PVC Granulation
Twin conical screws and barrels various types are available
Material:38CrMoALA 40Cr
Technology:PAT spraying ,Thermal spraying ,Screw fully hardening
Hardness:55HRC-72HRC
Alloy thickness: 2.5cm-4cm
Nitrition Layer Depth:0.5-0.8mm
Nitrition Fragility:Less than Grade Two
Used for producing pipes, profiles and sheets of ordinary plastic,PP,PE,ABS,AS,PS, etc.
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