co-extrusion twin screw extruder 1.CE certifacation; ISO 9001 2.PLC control. 3.Special screw designed for co-extrusion. Co-extrusion twin screw extruder1.Screw effective length:980mm2.Suitable for producing PVC powder3.Barrel heating zone: 3 zones core:1 zone4.Vacuum pump power:1.5KWThese machines have features of even plastication and agglomeration, reliable quality, wide application range, long ...