... powder , 320-500 meshes zinc powder , 500 meshes black iron oxide , red iron oxide , 120—160 ... /.3.Application Graphite powder , resin powder , Chinese medicine powder , pigment , coal ash , talcum powder , industrial medicine , cosmetic , ... powder , metallurgy powder , electromagnetic materials , copper powder , carbon black , active carbon , light calcium carbonate , iron ore sand ect .4.Features ...