As per following specs
Trihydrate Bauxite Ore (Gibbsite)
AL2O3: 46%- 48% Max.
SiO2: 2.0% - 4.0 % Max.
Fe2O3: 19% Max.
CaO: 0.75% - 1.50% Max.
Na20 0.18% - 0.35%
Ti02: 1.00% - 2.67%
Moisture: 15% - 19% PCT Maximum.
Size: 0mm – 100 mm 90% Min, (natural &
grainy)> 100mm, 10% Maximum.