... and ram are circulation-cooled.with TCU, it can guarantee the quality of mixed rubber compound.3.Touch surface of ... rotor,chamber,discharge door,ram and others contacting with mixing rubber is plated with chrome or wear-resistant hard metal.4. ... requirement.Usage: Most Suitable Kneading application: E. V. A. Rubber & TPR, Sole, Rubber Roller, Hoses, Belts, Sponges, Sport bolls, Vibration Insulator, ...