Milling Machine Powder Millproduced by we are mainly accustomed to grind non-inflammable and non-explosive materials with Mohs hardness below 7 and moisture content below 6% for example barite, calcite, potash feldspar, talcum, marble, limestone, ceramic, glass concrete batch plant sale, etc Raymond grinder may be used in mining portable batch plants, chemical industry, construction materials JS series twin-shaft concrete mixing machine, metallurgy and so forth. The ultimate items could be modified freely from 100 mesh to 425 mesh.