Brown alumina oxide
Brown alumina oxide belongs to the group of the electro-corundum.
Brown alumina oxide is produced by controlled melting fo the calcined bauxite in an electric arc furnace.
Brown alumina oxide is iron-free and extremely tough.
Applications of Brown alumina oxide
Refractory castable material
metallurgy material
Furnace charge
Wear-resistant products
Ceramic products
Typical Physical Properties
Hardness
|
9 mohs
|
Grain shape
|
Angular
|
Melting Point
|
1950 C min
|
True density
|
3.9-4.1g/cm3
|
Bulk density
|
1.8-2.1g/cm3(depends on the size)
|
Typical Chemical Analysis
Al2O3
|
95.15%
|
TiO2
|
2.25%
|
Fe2O3
|
0.1%
|
SiO2
|
1.2%
|
CaO
|
0.30%
|
NaO
|
0.25%
|