Calcite, widely distributed, which hardness is 2.7-3.0, specific gravity is 2.6-2.8. Its main component is calcium carbonate.
Production Fineness: ＜325mesh
Usually it is used in the production of chemical, cement and other industrial raw materials. It is also used as filling additive in food; added calcite in glass production.
Production Fineness: 400-800mesh
It can be used for making high quality putty powder, plastic, paper, toothpaste, soap and so on.
Production Fineness: ＞800mesh
It is used in the production of rubber, plastics, cables and PVC (whiteness above 94 degrees).
Production Fineness: ＞1250mesh
It can be used as raw materials for PVC, PE, paint, paint grade products, paper primer, paper surface coating and ink.