... fine powder or micro powder, a new kind of machine for producing fine powder. It is mainly used for ... should be non-explosive and non-flammable, such as: calcite, chalk, limestone, dolomite, kaolin, bentonite, steatite, mica, magnetite, iolite, ... adjusted between 325-2500 mesh.Grinder Mill Working PrincipleThe whole machine is collocated with jaw crusher, elevator, hopper, electromagnetic vibrating ...