screw and barrel for plastic extruder

The screw elements and kneading blocks are designed , by precise processed , agile combination , with interchangeability . which can fulfill efficient selt-cleaning , transmission, compounding , pressure-forming, etc . the screw is made of high tool steel 38 Crmoala or w6mo5cr4v2 by special heat treatment ，which is possessed with high corrosion-resistant and high functions .