Dolomite can be used as building materials, ceramics, glass and refractory materials, chemical industry and agriculture, environmental protection, energy saving and so on. It is mainly used as basic refractory and blast furnace iron-making flux. It also can be used to produce glass and ceramics ingredients. The Mohs hardness is 3.5-4.0 and the specific gravity is 2.8-2.9. Here are the various dolomite products: dolomite ore; dolomite sand 6-10 mesh, 10-20 mesh, 20-40 mesh, 40-80 mesh, 80-120 mesh; dolomite ultrafine powder is 140 mesh, 325 mesh, 600 mesh, 1000 mesh, 1600 mesh.