... white powder Use in paper,painting,plastic,rubber,cable with competitive p Calcium CarbonatePhysical and chemical properties:Molecular formula: CACO3Molecular weight: 100.09White ... (OH)2+Na2CO3=CaCO3+2NaOHUse:Use in paper,painting,plastic,rubber,cable,Used in made cement, ceramic, lime, CO2,chalk, artificial ... .010.5Whiteness ≥90.090.090.092.7AppearanceWhite powder Calcium carbonate chemical powder