... graphtie crystallization, great size in flake, high density, low content of mica Crystalline Flake Graphite is a crystalline carbon, natural non-metal mineral. It is ... hardness of 1.Applications:Refractory Bricks,Crucibles,Foundries,Ceramics,Graphite Moulds & ect.Advantages:Different sizes available,single mesh, ... water dissolubility Long-term durability Perfect shinning looking Natural flake graphite