SBM milling equipment is mainly used to produce fine powder and super fine powder. SCM Ultrafine Mill is applicable to non-flammable and non-explosive materials with hardness less than 6mm, such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talcum, talc, vermiculite, diatomite, barite, gypsum, alum earth, graphite, fluorite, and ...