... , PVC, OPP, PET etc hard screw SJ-A90, 100, 110, 120 Wind-cooling hot-cutting Plastic Recycling Machine2. CharacteristicsThis raw materials ... like waste films of HDPE and LDPE are extruded through the extruder ... adopts force feeder.6. The helical gear reducer with hard teeth is applied to the extruder and the screw7. ...