Model | Geactiveerd alumina | ||||||
Uiterlijk | Wit, bol, geen geur, onoplosbaar in water, onschuldig | ||||||
Type | WT100 | WT401 | WT402 | WT403 | WT404 | WT405 | |
Kristaltype | y | x-p | x-p | y | y | x-p | |
Chemische samenstelling | Al2O3% | ≥93 | ≥93 | ≥93 | ≥93 | ≥93 | ≥93 |
Na2O % |
≤0.3 |
≤0.3 |
≤0.3 | ≤0.3 | 0.15-0.3 | ≤0.3 | |
LOI | % | ≤8 | ≤8 | ≤8 | ≤8 | ≤5 | ≤8 |
Bulkdichtheid | g/ml. | 0.70-0.80 | 0.68-0.72 | 0.70-0.75 | 0.65-0.75 | 0.70-0.80 | 0.75-0.80 |
Oppervlak | m2/g | 300-330 | ≥300 | ≥300 | 260-300 | ≥300 | ≥300 |
Porievolume | ml/g | 0.45-0.5 | 0.30-0.45 | 0.30-0.42 | 0.40-0.46 | 0.4 | 0.30-0.50 |
Statische absorptie (RH=60%) | % |
TBC-absorptie |
Waterabsorptie |
Fluorabsorptie |
Waterabsorptie |
Waterabsorptie |
Waterabsorptie |
≥20 | 17-19 | 0.2-0.3 | 50 | 50-70 | 17-19 | ||
Actief | % |
|
56-62 |
||||
Verlies van slijtage |
% |
≤1.0 |
≤1.0 |
≤1.0 |
≤1.0 |
≤0.4 |
≤0.8 |
Beknellingssterkte (mm) |
0.4-1.2 |
≥30 | |||||
1.2-2.8 |
≥25 | ||||||
1-2 | ≥40 | ≥40 | |||||
2-3 | ≥70 | ≥70 | |||||
3-5 | ≥150 | ≥150 | ≥150 | ≥150 | |||
4-6 | ≥180 | ≥180 | ≥180 | ≥180 | |||
5-7 | ≥200 | ≥200 | |||||
6-8 | ≥300 | ≥300 | |||||
8-10 | ≥350 | ||||||
10-13 | ≥350 | ||||||
12-14 | ≥350 |