What is the difference between Ultrafine Grinding Mill and .
· The hardness of the materials that can be ground by the Ultrafine grinding mill is higher than that of the Raymond mill. The hardness of the materials that can be ground can reach on the Mohs scale, such as limestone, marble, dolomite, etc. It can grind 30100 mesh coarse powder, and can also grind Grind fine powder around mesh .