Description

Screw barrel for rubber machine Keywords:screw barrel for rubber machine , bimetallic screw barrel, screw barrel, extruder screw barrel Depth of Nitration Layer: 0.**0.8mm Hardness of Nitration: *******0Hv Fragility of Nitration: Less than grade 1 Surface Roughness: Ra 0.4 um Streightness of Screw: 0.**5mm Surface Hardness of Nitrated Cr coating Layer: >=**0Hv The Thickness of Cr Coating Layer: HRC****2 Hardness of Alloy Plating: 0.***0.*8mm Depth of Alloys Layer: >2mm Introduction: Good for feed in rubber power, used for butyl rubber natural rubber, acrylonitrile-butadiene rubber, styrene-butadiene rubber We can all types of screws and barrels according to clients&#**9; requirement. lichaoplas at hotmail dot com