SJ single screw extruder 1Plasticization well.high yield 2Low consumption, low noise 3Steady operation, high bearing stren SJ single screw extruder This machine is mainly used in extruding soft and hard thermoplastics, such as PVC, polyethylene and others. With relevent auxiliary machine (including profile machine head), It can produce several kinds of plastic products,such as film, pipe, board, ...