High grade Australian 98.7% Metallurgical Grade Calcined Alumina
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- Supplier: Lianyungang Zhong Ao Aluminium Co. Ltd.
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Product Overview
Description
Metallurgical/Industrial Grade Calcined Alumina
Industrial grade alumina with little dust floated, good solubility, strong adsorptivity.
Physical Property: white powder, no block.
Usage: Industrial grade alumina with little dust floated, good solubility, strong adsorptivity. Mainly used in the production of fused salt electrorefining aluminium, corundum, enamel, refractories and other alumina chemical products.
Calcined Alumina Metallurgical Grade Performance
| Chemical Composition | Calculated Al2O3 -Dried (wt%) | 98.7 | |
| Calculated Al2O3 -Fired (wt%) | 99.5 | ||
| SiO2 (wt%) | 0.009 | ||
| Fe2O3 (wt%) | 0.006 | ||
| TiO2 | 0.003 | ||
| Na2O | 0.4 | ||
| CaO | 0.041 | ||
| Ga2O3 | 0.0086 | ||
| P2O5 | 0.0003 | ||
| LO I*1 (wt%) | 0.76 | ||
| Screen Analysis | +150μm(100mesh) | 4.30% | |
| +106μm(150mesh) | 28.10% | ||
| +75μm(200mesh) | 66.30% | ||
| +53μm(270mesh) | 88.10% | ||
| +45μm(325mesh) | 93% | ||
| Superfines -20μm | 1.90% | ||
| Flowabllity -4.0mm funnel (sec) | 81 | ||
| BET (m2/g) | 72 | ||
| Attrition index | 6% | ||
| Alpha Phase | 2% | ||
| Angle of Repose (º) | 32 | ||
| Loose Bulk Density (kg/m3) | 961 | ||
| Packed Bulk Density (kg/m3) | 1177 | ||
| Trace Elements(Typical Upper Limits) | |||
| % | % | ||
| V2O5 | <0.0006 | ZnO | 0.0004 |
| Gr2O3 | <0.0005 | K2O | 0.0003 |
| CuO | <0.0004 | B2O3 | 0.0064 |
| MnO | <0.0006 | Li2O | 0.0005 |
| NiO | <0.0004 | MgO | 0.0033 |
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