twin screw Parallel co-rotating twin screw extruder screw/barrel elements processed by machining center ... screw barrels, these are provided with wear resistant inserts.Co-rotating twin screw extruer application introduction: MT series twin-screw extruderMixing ... paintPolyester,ring oxide,lactide,polyurethane,acrylateCERTIFICATION:Extruder screw elements co-rotating twin screw extruder screw and barrel