... and waste plastic materials 2. high output, low noise, stable performance and easy operation SJ-C90,100,110,120Waste Plastics Recycling ... extruder. With such features as high output, low noise, stable performance and easy operation. It is a more ideal waste plastic ... Variables modelSJ-90SJ-100SJ-110SJ-120Diameter of Screw Stem85mm95mm105mm110mmMajor Diameter Ratio of Screw Stem20:1-22:1(L/D)20: ...