Product Description:
Brown emery sand is electrically fused in an arc furnace from a mixture of bauxite at high temperature. It has brown color, high hardness and great toughness. The abrasives tools made of brown emery sand are suitable for steel, malleable cast iron and hard bronze. It used for refractory aluminum oxide lining mixture, pouring materials castable, etc.
Fraction | 0-1mm 1-3mm 3-5mm 5-8mm… |
Fine | -100mesh -200mesh -320mesh… |
The physical and chemical analysis:
| Al2O3 | ≥95% |
| SiO2 | ≤1.5% |
| TiO2 | ≤3% |
| Fe2O3 | ≤0.5% |
| Class | A |
| Hardness | ≥9 |
| Bulk density | ≥1.75 g/cm3 |
| Grain density | ≥3.97g/cm3 |
| Content of magnetic material | ≤0.038% |
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