For testing plastic material in the lab Technical data of SHJ-20 twin-screw extruder:Screw diameter: 22mm,L/D: 32:64,r/min: 600,Main motor power: 4/7.5(KW),Screw torque: 30 (NM),Capacity: 0.5-15 kg/h The function and characteristic of Twin-screw extruder is : plasticizing, pigmentation, filling and modification, reinforced, recycle granulating etc.