Rubber refiner is mainly used for refining of reclaimed rubber and rubber sheeting.  The rolls are made of chilled alloy cast iron with Wear-resistant hard surfaces. The two rolls are smooth ones with bored cavities and can be cooled homogeneously. The protective device is provided to protect the main parts from damage due to overload.  In case of emergency, the safety rod is pulled down and the rolls will be stopped immediately. Type XKJ-450 XKJ-480 Roller Diameter (mm) 450/510 480/610 Working length of rollers (mm) 800 800 Linear speed of front roller (m/min) 37.5 26.4 Friction ratio of front and rear roll 01:01.7 01:01.8 Max gap (mm) 10 15 Capacity per batch (Kg) 200 300 Overall dimension (mm) 406022001470 503025801780 Weight (Kg) about 10000 about 20000