... , sheets, film, profiles 2. CE & ISO Twin-screw Extruder 1. It is composed of barrel, screw, gear transmission system, measurable feeding, vacuum deaeration ... , profiles, etc.Main Technical parameter: ModelSJSZ65Diameter of screws(mm)65/138Effective length of screws(mm)1440Speed of screw(r/min)1-35Main motor power ...