... , plates, sheets, film. SJSZ Series Conical Twin-screw Extruder SJSZ series conical twin screw stem extruder is composed of barrel screw, gear transmission system, measurable feeding, vacuum ... diameter(mm)45/10051/10555/12065/13280/15692/188Screw quantity2Screw rotating directionTuring outwards with different directionScrew rotation speed(r/min)1 ...