... machines by simulation software for better performance.Conical twin screw and barrel are specially designed for high ... for PVC + 30% CaCo3, recycled plastic material. Conical Twin Screw Barrel/Technical parameter:Hardness of NitridingHV960~1060Deepness of Nitriding ... , Battenfeld, Haitian, Demag, Engle, Nigro bossi, arburg, NPM, BOY, Husky, Fanuc, billion, Sumitomo, Nippon Steel, Toshiba, Nissei, ...