... 047-0.089mm;4.Good corrosion resistance; Application of Lab Roll MillBall mill is the key equipment for grinding after the crushing ... ores and other grindable materials. Working principle of Lab Roll MillThe ball mill is horizontal cylindrical rotation device, driven by brim ... resistance;3. Easy installation,adjustment,operation We have various of Lab Roll Mill,such as 900*1800, 900*2100, 900*3000, ...