Calcined Alumina Typical Value | |||||||
Type | Chemical Composition | Physical Characteristics | |||||
AL2O3 (%) | Na2O (%) | SiO2 (%) | Fe2O3 (%) | α-AL2O3 (%) | (BET,m2/g) | (D50,μm) | |
Calcined alumina for refractories | |||||||
AL-800G | 99.7 | 0.05 | 0.1 | 0.03 | 96 | 0.9 | 3±0.5 |
AP-9FG | 99.6 | 0.15 | 0.1 | 0.03 | 95 | 0.8 | 3.5±0.5 |
AP-2G | 99.5 | 0.2 | 0.1 | 0.04 | 94 | 2 | 4±0.5 |
AM-5G | 99.3 | 0.35 | 0.1 | 0.04 | 93 | 1 | 5±0.5 |
Active alumina for refractories | |||||||
AL-370 | 99.7 | 0.05 | 0.15 | 0.03 | 97 | 3 | 2.5±0.5 |
AL-1SG | 99.6 | 0.05 | 0.15 | 0.03 | 96 | 7.5 | 1±0.5 |
AL-2SG | 99.6 | 0.15 | 0.15 | 0.03 | 95 | 4 | 1.6±0.5 |
AM-2SG | 99.4 | 0.25 | 0.15 | 0.04 | 94 | 4 | 1.5±0.5 |
Calcined alumina for building ceramics | |||||||
AM-1G | 99 | 0.3 | 0.15 | 0.03 | 90 | 4 | 1±0.5 |
AM-2G | 98 | 0.35 | 0.15 | 0.03 | 91 | 2 | 1.5±0.5 |
AM-3G | 99 | 0.35 | 0.15 | 0.03 | 92 | 1.5 | 3±0.5 |
AM-4G | 99 | 0.35 | 0.15 | 0.03 | 93 | 1 | 4±0.5 |
Calcined alumina for electronic ceramics | |||||||
AL-8B | 99.7 | 0.03 | 0.04 | 0.03 | 96 | 0.7 |
|
AL-20 | 99.7 | 0.04 | 0.03 | 0.03 | 96 | 0.7 |
|
AL-30B | 99.8 | 0.03 | 0.03 | 0.02 | 97 | 0.6 |
|
AL-40 | 99.7 | 0.05 | 0.03 | 0.03 | 95 | 0.8 |
|
AL-50B | 99.8 | 0.02 | 0.03 | 0.02 | 98 | 0.3 |
|
Calcined alumina for wear resistant ceramics | |||||||
AL-10 | 99.8 | 0.05 | 0.05 | 0.03 | 95 | 3 |
|
AL-10B | 99.7 | 0.08 | 0.04 | 0.03 | 95 | 1 |
|
AP-20 | 99.7 | 0.15 | 0.03 | 0.03 | 94 | 2 |
|
AM-30 | 99.6 | 0.25 | 0.05 | 0.03 | 93 | 2 |
|
AM-40 | 99.5 | 0.35 | 0.04 | 0.04 | 92 | 1.5 |
|
Calcined alumina for grinding and polishing | |||||||
AL-5G | 99.6 | 0.05 | 0.15 | 0.03 | 95 | 1.5 | 5±0.5 |
AM-1SG | 99.5 | 0.25 | 0.2 | 0.04 | 94 | 1.5 | 1±0.5 |
AM-2FG | 99.4 | 0.25 | 0.2 | 0.05 | 93 | 2 | 2±0.5 |