... % Application: Agriculture,Electron, Food,Industrial,Medicine,Reagent Calcined Calcium CarbonateCaCO3 powder, Activity Calcium Carbonate, Active CaCO3 Powder.whiteness: 93-97%purity: 95-98%size ... Antacid in the medicinal powder for stomach, Excipiment adhering the effective ingredients, Polisher in tooth-paste, and Calcium pill.7.AGRICULTURAL PURPOSE ...