Analysis of Oxide Alumina(Al2O3) Item uinte Value Al2O3 wt% 98.6%min SiO2 wt% 0.0086-0.0098 Fe2O3 wt% 0.0071-0.0072 Na2O wt% 0.32max Moisture£¨0-300¡æ£© wt% 0.36max Ig loss(300-1200¡æ) wt% 0.84-0.88max B.E.T. ©O/G 65-75 Alpha Alumina wt% 8.0-15.0 Angle of Repose ¡ã 30-36 Bulk Density g/lit 955-995 Attrition Index wt% 5.0-10.0 Screen Analysis +150¦Ìm(wt)% 0.04max -45¦Ìm(wt)% 7.9max +75¦Ìm(wt)% 56.32 This aluminum oxide can be used for electrolytic aluminum, abrasive tools, making white corundum, ceramic, polish, refractory materials, etc. We can also make as your requirenment. 25kg per bag or 1.5ton per big bag or according to the customer requiement.