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Calcium Carbonate (including heavy calcium and light calcium) is the most widely used inorganic mineral powder material. As a commonly used powder material for plastics, Calcium Carbonate has many advantages that other powder materials do not have, such as high whiteness, Easy surface organic treatment, light wear on processing equipment and molds, good molding processing fluidity, etc.

Calcium Carbonate is an inorganic compound, common name: limestone, calcite, marble, chalk, aragonite, white marble, etc. Relative molecular weight is 100.09, density: 2.93/m3, melting point: 825°C, it is the main component of limestone and calcite, and its properties are white crystal or powder.

For rubber, Calcium Carbonate is the third largest reinforcing filler after carbon black and white carbon black. It has the characteristics of low toxicity, low price and good reinforcing effect.

In the prevention and treatment of osteoporosis and other related diseases, Calcium Carbonate is the most widely used because of its high calcium content, low price, no side effects, and the best cost-efficiency ratio.