Item:Calcium Carbonate 98%min ACC or light or heavy white powder Use in paper,painting,plastic,rubber,cable with competitive p Calcium CarbonatePhysical and ... )2+Na2CO3=CaCO3+2NaOHUse:Use in paper,painting,plastic,rubber,cable,Used in made cement, ceramic, lime, CO2,chalk, artificial stone, and can ... .0-11.010.5Whiteness ≥90.090.090.092.7AppearanceWhite powder Calcium carbonate chemical powder