• Bauxite

Bauxite

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Bauxite is a kind of earthy minerals, the main constituent is impurity hydrated alumina. It is white or off-white, but it will appear tawny or light red because of adding iron.
Bauxite is extremely difficult to melt. It is insoluble in water, but soluble in sulfuric acid and sodium hydroxide solution.
Application:
It is widely apply to refractories, aluminum silicate refractory fiber, precision casting, alumina smelting industry, bauxite cement, etc.

 

Bauxite

Item Al2O3 % Fe2O3 % TiO2 % CaO+MgO % K2O+Na2O % Bulk Density g/cm3 Water Absorption %
GAL-88 ≥88 ≤1.5 ≤4.0 ≤0.4 ≤0.4 ≥3.15 ≤4
GAL-85 ≥85 ≤1.8 ≤4.0 ≤0.4 ≤0.4 ≥3.10 ≤4
GAL-80 ≥80 ≤2.0 ≤4.0 ≤0.5 ≤0.5 ≥2.90 ≤5
GAL-70 70-80 ≤2.0 -- ≤0.6 ≤0.6 ≥2.75 ≤5
GAL-60 60-70 ≤2.0 -- ≤0.6 ≤0.6 ≥2.65 ≤6
GAL-50 50-60 ≤2.5 -- ≤0.6 ≤0.6 ≥2.45 ≤6
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