It is mainly used in plasticizing,extruding and forming PVC pipe,plate,sheet,film,profile and granule etc. It is mainly used in ... plasticizing,extruding and forming PVC pipe,plate,sheet,film,profile and granule etc. Item\Spec.SJZ-51 ... /15692/188Screw quantity2222Screw rotating directionDifferent direction facing outsideRotational speed of screw(r/min)1-301-34.71-36.91-32.9Valid ...