... resistance PET bottle blown machinery screwbarrel/screwbarrel for blowing bottle/single screw and barrel for PET bottlemachine ... Application1)General Plastics2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC ... All kinds of Mixed Recycled Material(in Scrap or Granule), PVC + 30% CaCo3, etcQuality Certificate ... important parts for plastic extruders and injection molding machine,they affect the machine performance and ...