SJSZ-51/105 PVC CONICAL TWIN SCREW EXTRUDER IS THE MAIN EXTRUDING DEVICE FOR PVC/WPC PIPES PRODUCTION LINE, PROFILE PRODUCTION LINE. IT HAS THE SPECIAL STRUCTURE OF CONICAL SCREW DESIGN, WHICH IS MOST SUITABLE FOR PVC POWDER EXTRUDING. CONICAL TWIN SCREW EXTRUDER CAN BE USED FOR DIFFERENT FORMULATION OF PVC AND CAC03 POWDER. CUSTOMER CAN REVISE THE PERCENTAGE OF CACO3 IN THE FORMULATION AND SAVE THE COST FOR FACTORY GREATLY. PVC CONICAL TWIN SCREW EXTRUDER HAS THE CHARACTERS OF LOW SPEED, HIGH OUTPUT AND LOW POWER CONSUMPTION.