Aluminous soil also known as bauxite, the main component is alumina, containing impurities of hydrated alumina, is a kind of earthy mineral. White or off-white, brownish yellow or reddish with iron. Density 3.45g/cm3, hardness 1 ~ 3, opaque, brittle. It is very difficult to melt. Insoluble in water, soluble in sulfuric acid, sodium hydroxide solution. Mainly used for smelting aluminum, refractory materials.
| Elements |
Al2O3 |
Fe2O3 |
SiO2 |
TiO2 |
B.D.(g/cm³)
|
| Bauxite 86 |
≥86% |
≤2% |
≤8% |
≤4% |
≥3.2 |
| Bauxite 80 |
≥80% |
≤2% |
≤14% |
≤4% |
≥3.05 |
| Note |
We can produce according to the customer’s special demand about the elements’ content and the sizes. |
