High Purity Alumina (HPA)
High Purity Alumina Series Products
High Purity Alumina (HPA)
99.995% Aluminum Oxide / Aluminium Oxide
With excellent physical and chemical properties, High Purity Alumina is widely used in high-end industries and cutting-edge science and technologies, such as surface coating of cathode materials for lithium battery, engineering ceramics, crystal growth, etc.
Specification Details
| Typical Properties | Units | 4N5G-40B | 4N5G-D2 (milled) | 4N5A-40B | 4N5A-D5 (milled) |
|---|---|---|---|---|---|
|
Crystal Structure |
|
γ |
γ |
α |
α |
|
Average Particle Size (by Bettersize Laser 9300SE) |
D50, um |
35-45 |
1-3 |
35-45 |
3-5 |
|
Loose Bulk Density |
g/cm3 |
0.55-0.65 |
0.30-0.40 |
0.70-0.80 |
0.50-0.60 |
|
BET Surface Area |
m2/g |
45-55 |
60-70 |
≤5 |
≤5 |
|
Purity (Al2O3) ≥ |
% |
99.995 |
99.995 |
99.995 |
99.995 |
|
Impurity ≤ (by ICP-OES) |
|
|
|
|
|
|
Na |
ppm |
30 |
30 |
30 |
30 |
|
Ca |
ppm |
1 |
1 |
1 |
1 |
|
Mg |
ppm |
1 |
1 |
1 |
1 |
|
Fe |
ppm |
1 |
1 |
1 |
1 |
|
Si |
ppm |
17 |
17 |
17 |
17 |
|
Ti |
ppm |
1 |
1 |
1 |
1 |
|
Cu |
ppm |
1 |
1 |
1 |
1 |
|
Packing (As per customer’s requests) |
drum |
25kg |
20kg |
25kg |
25kg |