... used for rubber,plastic,painting shipment by bulk content 97% min Lime stone1 lime stone product index 1) CaCO3 ≥97%,MgO ... ≤0.6%,SiO2 ≤1%,Fe2O3 ≤0.06%.2) CaCO3 ≥96%,MgO ≤1.6 ... %,SiO2 ≤1.4%,Fe2O3 ≤0.06%.2 Lime stone specification1) 0 ... ,2) 10mm----40mm,3) 40mm----80mm,4) 80mm----120mmcontent 97% min Lime stone content 97 ...