Natural heavy calcium carbonate selects natural, high and white calcite as raw material, and processes through domestic advanced grinding equipment and importing sorting equipment . Its grain size is identical color is stable , and dispersion is super fine .

It is a all-purpose filler materials. Caco3 Content % more than 98%Moisture % less than 0. 6%Insoluble substance in hydrochloric acid, % less than 0. 5%PH 8-10Average Size um 1. 8Sieve residue: 125um test sieve% less than zero45um test sieve% less than 0. 05%Whiteness(R457)Powder