... Application: Agriculture,Electron, Food,Industrial,Medicine,Reagent Calcined Calcium CarbonateCaCO3 powder, Activity Calcium Carbonate, Active CaCO3 Powder.whiteness: ... you heavy calcium carbonate and light calcium carbonate, including active and inactive.The Heavy Calcium Carbonate is almost ... materials.Plastic products which contains the Heavy Calcium Carbonate are as the following;Pipe, Gutter, ...