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