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α-alumina
basic information
Numbers:
cp2514
Calcined α-alumina physical and chemical indicators
|
|
Product |
Chemical Composition % |
effective density |
grain size 1） |
||||
|
Al2O3 |
SiO2 |
Fe2O3 |
Na2O |
Calcined |
||||
|
Mid Na type |
AC-30 |
99.0 |
0.10 |
0.04 |
0.3 |
0.20 |
3.93 |
4±1 |
|
AC-30A |
99.0 |
0.10 |
0.04 |
0.3 |
0.20 |
3.93 |
2.5±1 |
|
|
ACG-2A |
98.5 |
0.20 |
0.04 |
0.3 |
0.25 |
|
1～3 |
|
Note: Grain size determination-Grinding 24 minutes( dry grinding),the ball
material ratio 10:1,using laser particle size analyzer (MS 2000),
measuring median diameter(D50).Normally it needs ultrasound for 1 minute and then to be measured.
A means activity (Activated) suitable for production of grinding media.
M means a smaller microcrystalline product than grain size.
keywords:
On a
HTAL-2 activated alumina