... Conical Twin Screw and Barrel material: bimetallic layer PP,PE,PVC,PET,ABS,PPR for Plastic Extruder Machine Conical Twin ... can be designed accordingto different products &different mixtrues. Standard SpecificationsISO9001Advantages1.Long time Nitriding Technology 2.Anti-corrosion and ... PS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE,EVA,PP,PVC,PMMA,POM,PAST,PET,PBTNitride Depth0.5mm-0.8mmTechnology1) ...