High Purity Ultra-fine Alumina
High Purity Alumina Series Products
High Purity Ultra-fine Alumina
High Purity Ultra-fine Aluminum Oxide
High Purity Ultra-fine Alumina has the characteristics of high melting point, high hardness, good electrical insulation, wear resistance and high corrosion resistance. It is widely used in sapphire, surface coating for ternary materials of lithium battery, new energy materials, precision polishing, electronic ceramics, catalyst carrier, wear-resistant coating and other fields.
Specification Details
| Typical Properties | Units | AGBM-C | AJM-C | A4N-04 |
|---|---|---|---|---|
|
Crystal Structure |
|
α |
α |
α |
|
Average Particle Size (by MasterSizer2000) |
D50, um |
0.5-0.8 |
0.8-1.0 |
0.3-0.5 |
|
Loose Bulk Density |
g/cm3 |
0.5-0.7 |
0.6-0.8 |
0.6-0.8 |
|
BET Surface Area |
m2/g |
6-8 |
6-8 |
6-8 |
|
Purity (Al2O3) ≥ |
% |
≥99.92 |
≥99.95 |
≥99.99 |
|
α-Conversion Rate |
% |
＞85 |
＞90 |
＞90 |
|
MOI |
% |
＜0.5 |
＜0.5 |
＜0.5 |
|
Impurity ≤ (by ICP-OES) |
|
|
|
|
|
Na |
ppm |
≤600 |
≤350 |
≤10 |
|
Ca |
ppm |
≤50 |
≤50 |
≤1 |
|
Mg |
ppm |
≤10 |
≤10 |
≤1 |
|
Fe |
ppm |
≤40 |
≤50 |
≤3 |
|
Si |
ppm |
≤50 |
≤50 |
≤10 |
|
Packing (As per customer’s requests) |
drum |
25kg |
25kg |
25kg |