High-purity alumina
- Description
-
Using the alkoxide hydrolysis process, the product has high purity (999%~99.999%). High purity alumina has good mechanical, thermal, and chemical properties, and is widely used in fine ceramics, integrated circuits, rare earth fluorescent powders, catalyst carriers, and other fields. Suitable for industries such as artificial sapphire, fine polishing, advanced ceramics, transparent ceramics, new energy batteries, petrochemicals, and fine chemicals.
Model
ZTL- GCAO-035
ZTL- GCAO-04
ZTL- GCAO-045
ZTL- GCAO-05
Purity
%
≥99.95
≥99.99
≥99.995
≥99.999
Crystal form
α
Powdery
Appearance
White crystal powder
Particle size distribution
D10≤
μm
2
D50≤
μm
10
D90≤
μm
30
Loose density
g/cm³
0.30-0.60
Tamping density
g/cm³
0.50-0.90
Specific surface area (BET)
m²/9
4-8
Cake-like
Specifications
White cylindrical
Sintered density ≥
g/cm³
3.2
lump
Appearance
White crystal material
Tamping density
g/cm³
3.5~3.8
Impurity content (×10-4)%
Na≤
ppm
200
10
10
5
Mg≤
ppm
-
10
10
3
Ca≤
ppm
-
10
10
3
Si≤
ppm
50
25
20
5
Fe≤
ppm
100
20
10
5
Cu≤
ppm
10
10
3
Cr≤
ppm
-
10
10
3
Pb≤
ppm
-
5
5
3
Zn≤
ppm
-
4
4
3
Ti≤
ppm
-
3
3
3
Product Inquiry
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