Calcium Carbonate precipitated light 98%min-white powder It is good at painting,cable,rubber,plastic,industrial,feed,PU,PVC etc Calcium CarbonatePhysical ... CACO3 325mesh ItemHG/T2226-2000 Excellent First gradeGood ResultCalcium carbonate(%≥)98.097.096.098.5Hydrochloric acid can not be objects (%≤) ... -11.010.5Whiteness ≥90.090.090.092.7AppearanceWhite powder Calcium carbonate precipitated light 98%min