... can be used for the following materials: PE-HE, PE-LD, PE- HMW, PP, ABS, PS and so on.* Low Die ... large diameter extrusion, for excellent surface qualityPP/PPR/PE Three-layer Pipe ExtruderPP/PPR/PE Three-layer Pipe Extruder's Downstreams:PP ... nozzle positioning* Precise temperature control, imported filterPP/PPR/PE Three-layer Pipe ExtruderPP/PPR/PE Three-layer Pipe Extruder's Twin B ...