... ,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc3)PA + GF(Glass Fiber)4)Flame ... kinds of Mixed Recycled Material(in Scrap or Granule), PVC + 30% CaCo3, etcQuality Certificate: •100%Quanlity InspectionAs ... extruder is special equipment for all kinds of PVC powder extruder;2, The conical double screw extruder ... The double screw extruder system can produce PVC plastic pipes, profiles, sheets, boards and granules.