Screw Barrel for Rigid U-PVC
Specifications
We offer a full extrusion and injection barrel repair service including honing, short sleeving and relining feed throats.
Screw Barrel for Rigid U-PVC
UPVC and thermoforming machine screw
Depth of Nitration Layer: 0.5-0.8mm
Hardness of Nitration: 950-1020Hv
Fragility of Nitration: Less than grade 1
Surface Roughness: Ra 0.4 um
Streightness of Screw: 0.015mm
Surface Hardness of Nitrated Cr coating Layer: >=950Hv
The Thickness of Cr Coating Layer: HRC55-62
Hardness of Alloy Plating: 0.03-0.08mm
Depth of Alloys Layer: >2mm
Introduction: Used for manufacturing UPVC screw and heat forming machine screw, Cr coating can strengthen anti-corrosion ability.
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