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
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