| Type of product |
|
ALO-G22-10 |
ALO-G2-2 |
ALO-G32-2 |
ALO-KN-4S |
| Al2O3 * |
% |
min. 98,6** |
min. 99,4 |
min. 99,4 |
min. 99,5 |
| Na2Ototal |
% |
max. 0,4 |
max. 0,3 |
max. 0,3 |
max. 0,3 |
| Fe2O3 |
% |
max. 0,04 |
max. 0,03 |
max. 0,03 |
max. 0,04 |
| SiO2 |
% |
max. 0,04 |
max. 0,02 |
max. 0,02 |
max. 0,04 |
| CaO |
% |
|
max. 0,04 |
max. 0,04 |
max. 0,04 |
| Loss on ignition |
% |
max. 10 |
max. 0,5 |
max. 0,5 |
max. 0,2 |
| Specific surface area BET |
m2/g |
140 – 190 |
12 – 30 |
6 – 12 |
max. 1,5 |
| Average particle size d50 |
µm |
7 – 13 |
2 – 5 |
2 – 5 |
2 – 5 |
| + 45 µm (wet sieving) |
% |
max. 1 |
max. 1 |
max. 1 |
max. 0,1 |
| * By difference |
|
**Determined after ignition at 1100°C |
|
|
