... , graphite, fluorite mining machinery ultrafine grinding machine mining machine used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, ... 6 non-explosive brittle material, ultra-fine grinding is widely used in calcite, diatomite, barite, gypsum, alunite, graphite, fluorite, ... pumice and so on.working processThe working process of ultra-fine grinding machine: Bulk materials crushed are ...