... machine used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate applicationUltra-fine grinding machine is a powder ... grinding is widely used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate rock, limestone, dolomite, kaolin, bentonite, talc, ... the separated powder from the discharge port is finished product, and the air return back to the top, ...