SJ series Single screw extruder The SJ seriessingle screw extruder with specifically screws ,model and other auxiliaries machines can directly convert thermoplastic into pipe , plate sheet ,film and profile ,also provide function of modifying and pelletizing .It also can deal with the wood plastic material . You can choose the drive motor is D.C motor or the AC motor . Equip with the screw temperature control system and vacuum venting and quantitative feeding . 1.excellent plasticization 2.stable performace 3.extruding PET,PE,PP pipes, sheets,profile , granule .