... the screw barrels, these are provided with wear resistant inserts.Co-rotating twin screw extruer application introduction: MT series twin- ... PBT+PET,PE+PP,ectFilling modificationPE,PP,EVA,ect+Calcium carbonate,talcum power,titanic powder,ABS,PC,PS,ect+aluminum ... paintPolyester,ring oxide,lactide,polyurethane,acrylateCERTIFICATION:Extruder screw elements co-rotating twin screw extruder screw and barrel