98.5% metallurgical grade alumina powder for ingot
Application:Metallurgy ceramic, refractories, glazing
Physical Property: white powder, no block. Directly imported from Australia.
Industrial grade alumina with little dust floated, good solubility, strong adsorptivity.
Mainly used in the production of fused salt electrorefining aluminium, corundum, enamel, refractories and other alumina
Specification is as following:
Al2O3 : 98.5% min
SiO2: 0.009%
Na2O: 0.44%
Particle size: 45um (325 mesh) 75um (22 mesh)
LOI: 0.76%
BET surface area: 72 m2/g
Calcined alumina Spec.
Chemical Composition
|
Calculated Al2O3 -Dried (wt%) |
98.6 |
|
Calculated Al2O3 -Fired (wt%) |
99.5 |
|
SiO2 (wt%) |
0.020 |
|
Fe2O3 (wt%) |
0.014 |
|
TiO2 |
0.003 |
|
Na2O |
0.43 |
|
CaO |
0.049 |
|
Ga2O3 |
0.0082 |
|
P2O5 |
0.0003 |
|
LO I*1 (wt%) |
0.83 |