Guaranteed Chemical Analysis: ZrO2 (include HfO2) 66.0% Minimum Total Iron as Fe2O3 0.07% Maximum TiO2 0.15% Maximum 7.Typical Chemical Analysis: ZrO2 66.6% Fe2O3 0.06% TiO2 0.14% SiO2(Total) 32.2% Al2O3 0.45% P2O5 0.12% Free Silica as Quartz < 0.05% Packaging Details: 40kg bag or as per customers request.