Hydraulic alumina powder is produced from Aluminum Hydroxide by quick dehydration process, its phase is ρ-Al2O3, with hydration activity at normal temperature, mainly used as the raw material of activated alumina ball and calcium-free binder for amorphous refractory castable.
|
Applications |
ρ-Al2O3 |
SiO2 |
Fe2O3 |
Na2O |
L.O.I |
BET m2/g |
Pore Volume ml/g |
D50 μm |
|
for Activated Alumina |
≥60 |
≤0.05 |
≤0.02 |
≤0.40 |
≤12 |
≥260 |
≥0.18 |
8-12 |
|
For amorphous refractory binder |
≥60 |
≤0.05 |
≤0.02 |
≤0.30 |
≤12 |
≥240 |
≥0.18 |
≤6 |