... 98%min-white powder It is good at painting,cable,rubber,plastic,industrial,feed,PU,PVC etc Calcium CarbonatePhysical and ... crystal or powderIts difficult solubilize in water and release CO2 in acid.Method of ... ceramic, lime, CO2,chalk, artificial stone, and can be used as pigment, filler, mixture medium ... -2000 Excellent First gradeGood ResultCalcium carbonate(%≥)98.097.096.098.5Hydrochloric acid can not ...