1) 47-48 GRADE CHEMICAL COMPOSITION (ON DRY BASIS) Al2O3 47-48%, Rejection Below 47% Silica 8-10%, Rejection Above 10% Fe2O3 8-12% Moisture 6-8%, 8% max (normal season), during rainy season 9% Max LOI 23% to 28% PHYSICAL COMPOSITION (ON NATURAL BASIS) Size: 0 mm to 100 mm (+/- 10%) CaO 1.5-2% - Rejection Above 2% TiO2 2.5%