... content: 90% min Quick lime powderQuicklime powder , CaO content: 90% minA) CaO 92%----94%,MgO ≤0.8%,SiO2 ≤1%,AL2O3 ≤0.16 ... %,Fe2O3 ≤0.06% , S≤0.008%. CaO 90%----92%,MgO ≤1%, SiO2 ≤1.2%,AL2O3 ≤0.18%,Fe2O3 ≤0.06 ... %, S≤0.01%. CaO 85%----90%,MgO ≤1.5%,SiO2 ≤1.6%,AL2O3 ≤0.18%,Fe2O3 ≤0 ... a good opportunity to get goods from us. Calcium Oxide Powder