the mixing mill(6")are used to do the test for rubber etc. Main technical spec.: 1. roll dia.: 160mm 2. working length: 320mm 3. working linear speed of front roll: 11.91m/min 4. friction ratio of front and rear roll: 1:1.35 5. roll nip: 4mm 6. production capacity: 1-2kg/batch 7. velocity ratio of reducer: 1:5.143; 1:5.83 8. motor power: 5.5KW 9. overalll size: 1240mm*890mm*1200mm 10. Weight: 1000kgs Note: we can design and produce according to your requirments.