According to the different pulverization fineness, the industry is divided into four different specifications: single flight, double flight, three flight, and four flight, which are used in various industrial sectors.
Single fly powder: used to produce anhydrous calcium chloride, is an auxiliary raw material for the production of sodium dichromate. The main raw material for glass and cement production. In addition, it is also used in building materials and poultry feed.
Double fly powder: It is a raw material for producing anhydrous calcium chloride and glass, white filler for rubber and paint, and building materials.
Three fly powder: used as a filler for plastics, paint putty, paint, plywood and paint.
Four flying powder: used as a filler for wire insulation, rubber molded products and filler for asphalt linoleum.
Calcium carbonate is an important building material. The white and pure calcium carbonate rock is called white marble, which can be directly used as a decorative stone pillar or handicraft; the calcium carbonate which has a beautiful pattern due to impurities is called marble, which is used for veneering or laying the floor of the outer wall and inner wall of the building; The densely packed calcium carbonate rock (limestone) can also be used directly for building houses, but the main use of limestone is to produce cement.