... boards,profiles.PVC,PE,PERT,PP,PPR,PC,PU... single screw plastic extruder is mainly used to make pipe, sheet, bar ... equipped with different type of machine and downstream.For SJ series single screw extruder, the screw diameter is from Φ20 to Φ200mm, ... according to your products, specification and capacity. SJ series single/mono screw plastic extruder machine/extruding machine/extrusion machine