... ,painting,plastic,rubber,cable with competitive p Calcium CarbonatePhysical and chemical properties:Molecular formula: CACO3Molecular weight: 100.09White powderIts difficult ... lime, CO2,chalk, artificial stone, and can be used as pigment, filler, mixture medium, rub agent, sugar clarifying agent; also it ... 010.5Whiteness ≥90.090.090.092.7AppearanceWhite powder Calcium carbonate chemical powder