... PMMA Air or water cooled; exhausted/NA Plastic extruders, HENGRUI design and manufacture,For PET, ABS,PMMA, etc, material Vacuum ... degass, 1~2 exhaust port; or with dehumidifying&dryerScrew type: ... single screw, twin screw;Screw size: 45-175 mmOutput:60-1000kg/hr plastic extrusion extruder, for PP ...