it is designated for processing superfine powder of over 300 noninflammable and nonexplosive materials with moh¡¯s hardness below grade 8 and water content below 6% in the field of mine ,chemical industry, building materials, such as barite, calcite, potash feldspar, steatite, marble, limestone, dolomite, fluorite, lime, active carclazyte, active carbon, bentonite, kaolin, cement, phosphorus ore, gypsum, glass, manganese ore, titanium ore, copper mine, chrome ore, refractory materials, heat preservation materials, coal coke, coal fines, black, argil, bone meal, titanium white powder, ferric oxide,quartz, and so on. the finished products can be adjusted freely from 400 to 1350 meshes (max meshes of 2500 for some materials).