Bauxite
Bauxite is an aluminum ore composed of aluminum hydroxide, iron oxide and silicon oxide. It is used as raw material to produce alumina and refractory products containing alumina . Alumina content in industrial bauxite is 40% - 60% or higher, which is used as flux in ferrous metallurgy.
Category：
Description
| Index item | Specification standard | |
| BAUXITE 86 | BAUXITE 88 | |
| Mass fraction, % | ||
| Al2O3, ＞ | 86,0 | 88,0 |
| Fe2O3, ＜ | 2,0 | 1,5 |
| SiO2, ＜ | 7,0 | 5,0 |
| TiO2, ＜ | 4,0 | 4,0 |
| R2O, ＜ | 0,30 | 0,25 |
| CaO+MgO, ＜ | 0,5 | 0,35 |
| loss on ignition, %, ＜ | 0,35 | 0,1 |
| Grain density, g/см3,＞ | 3,15 | 3,30 |
| Humidity, %, ＜ | 1,0 | 0,5 |
| Granularity, % | In accordance with the requirements of customers | |
| Usage | Used to produce alumina and refractory products containing alumina | |
Keywords:
bauxite
4
0
0
5
0
35
alumina
standard
88
refractory
usage
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