... , Screw extruder with L/D ratio 3, Good quality with low price I Main ParametersItemsUnitMagnitudeRemarkdisposal material PP,PE,PS,HIPSThicknessmm0.3 ... rigid tooth surface, large twisting moment, high rev and low noise4 Filter screenDouble-post hydraulic fast screen changer5 Heater Stainlesss steel heater ...