The machine are mainly used in grinding more than 280 noninflammable and nonexplosive materials with a Moth's hardness below 7 scale, a humidity below 6%, such as barite, calcite, potash, pencil stone, marble, limestone, ceramic, glass and other materials which used in mining, construction, chemical and metallurgy. The size of powder can be controlled ranging from 80 to 325 meshes
