PVC extruder screw and barrel with high hardness

Location:China
Business Type:Manufacturer, Exporter
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  • Place of Origin:Zhejiang, China, Zhejiang China (Mainland)
    Brand Name:PYM, PYM
    For what machine:Plastic machine
    Mateiral:38CrMoAIA. 42CrMo.
    Tempering hardness:240-280HV
    Depth of nitrogen layer:0.6-0.8mm
    Hardness of nitrogen treatment:900-1100HV
    Roughness of the surface:Ra0.4um
    straightness of screw:0.015mm
    Depth of CR coating:0.025-0.085mm