... : Various nonmetal powder such as heavy calcium carbonate, light calcium carbonate, talcum powder,kaolin, graphite, BT-1500 ... 750 rpm , 1500 rpmApplicationVarious nonmetal powder such as heavy calcium carbonate, light calcium carbonate, talcum powder,kaolin, graphite, silica,bruite,barite, ... test of superfine kaolin and super fine heavy calcium superphosphate.With special synchronous technique, it can ...