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 chemical properties:Molecular formula: CACO3Molecular weight: 100.09White powderIts difficult solubilize in water and release CO2 in acid.Method of manufacture:Ca(OH)2+CO2=CaCO3+H2O Ca(OH)2+Na2CO3=CaCO3+2NaOHUse:Use in paper,painting,plastic, ...