Product
	- ＜ Refractory Materials and Abrasives - ＜ Calcined Alpha Alumina     1. Calcined Alpha Alumina (Refractory grade) Items Unit AD-1 AD-2 AD-3 Al2O3 % 99.7min 99.5min 99.0min Na2O % 0.10max 0.15max 0.20max SiO2 % 0.05max 0.08max 0.15max Fe2O3 % 0.03max 0.03max 0.04max True Density g/cm3 3.95 3.94 3.93 Alpha-Al2O3 % 95min 95min 94min Particle μm 1 1-2 2-3 Packing: In 50Kgs bag or in 1MT big bag 2. Calcined Alpha Alumina (Ceramics grade) Items Unit AD-13 AD-R23 AD-D23 AD-30 AD-32 Al2O3 % 99.7min 99.7min 99.7min 99.7min 99.8min Na2O % 0.03max 0.08max 0.05max 0.08max 0.05max SiO2 % 0.04max 0.05max 0.04max 0.05max 0.04max Fe2O3 % 0.02max 0.03max 0.03max 0.03max 0.02max True Density g/cm3 3.97 3.96 3.96 3.94 3.95 Alpha-Al2O3 % 96 95 96 95 96 Particle μm 3-5 2-3 2-4 1max 1-2 Packing: In 50Kgs bag or in 1MT big bag