... , wear resistance PET bottle blown machinery screwbarrel/screwbarrel for blowing bottle/single screw and barrel for PET bottlemachine Specification:45 ... Two classMaterial Application1)General Plastics2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC, ... in Scrap or Granule), PVC + 30% CaCo3, etcQuality Certificate: •100%Quanlity InspectionAs the screw and barrel are the important parts for plastic extruders and ...