... steady operation,Iow noise Features and application u SJ series single screw extruder is mainly used in extruding soft and ... such as polyviyl chloride (PVC),polyethylene and others. u SJ series single screw extruder is used with relevant auxiliary machine (including shaping ... hollow product. It is also used for prilling.u SJ series single screw extruder has advantages, such as advanced design, high ...