China Bimetal single extruder screw barrel for plastic extruder machine Diameter Φ15mm-350mm Designing Screw structure and compression ratio can be designed according to different products & different output requirement. Materials 38CrMoAlA (JIS SACM645) SKD61 Application Suit for hdpe ,ldpe, lldpe recycling. Nitride Case Depth 0.5mm-0.8mm Technology 1)Longer time Gas Nitriding treatment ...
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