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Bauxite also known as bauxite or bauxite, is mainly composed of alumina, which is a hydrated alumina containing impurities and is an earth-like mineral.White or off-white, brownish-yellow or light red due to iron content.
Bauxite also known as bauxite or bauxite, is mainly composed of alumina, which is a hydrated alumina containing impurities and is an earth-like mineral.
White or off-white, brownish-yellow or light red due to iron content. Density 3.45g/cm3, hardness 1~3, opaque and brittle. Extremely difficult to melt.
Insoluble in water, soluble in sulfuric acid and sodium hydroxide solution. Mainly used for smelting aluminum and making refractory materials.
| Code | Al2O3 | Fe2O3 | CaO+MgO | Na2O+K2O | Bulk density | Water absorbtion |
| XGHA-88 | ≥87 | ≤1.8 | ≤0.4 | ≤0.3 | ≥3.20 | ≤3.0 |
| XGHA-85 | ≥84 | ≤1.8 | ≤0.4 | ≤0.4 | ≥3.10 | ≤3.0 |
| XGHA-80 | ≥79 | ≤2.0 | ≤0.5 | ≤0.4 | ≥2.90 | ≤5.0 |
| XGHA-75 | ≥74 | ≤2.3 | ≤0.5 | ≤0.5 | ≥2.75 | ≤5.0 |
