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Model NO.: TCH
Color: White
Particle Size: 4-55 Um
Calcined Temperature: 1420-1450 Celsuis Degree
a-Al2O3 Tranformation Rate: 95% Min
Stocks: Available
Trademark: ZALY
Transport Package: 25 Kg/Bag, 50kg/Bag, 1 Mt/Bag
Specification: SGS
Origin: Lianyungang, Jiangsu, Shanghai
HS Code: 2818200000
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 |
ZALY Alumina Powder
Industrial alumina powder---Metallurgical grade alumina powder
Calcined alumina--- mainly used in ceramics, refractories, glazing etc
White fused alumina--- used in refractory,grinding&polishing,abrasives
Tabular alumina--- used in refractory
Fetures
1) 99.6% min high purity, raw material origin is Australia
2) SGS, ISO audited manufacturer
3) mass production ability
4) stable chemical features with fine particle size
5) hot-selling in Asia market with favorable price
Process
Dry pressing, CIP, injection moulding,etc.
Technical features
1) excellent chemical activity, see below table
2) resonable particle size (D50=1-75 um)
3) low water absorption rate, big true density, extremly low impurity content
4) wear resistant, heat resistant, corrosion resistant
5) excellent refractory proper
Why choose ZALY alumina powder
1) ZALY alumina powder is made from Australia imported high-purity raw material. It's calcined under high temperature(1420-1450 celsuis degree). The tranformation rate is 95% min.
2) It is produced by the general international law of Bayer, calcined by boron free rotary kiln, washed by water to remove sodium.
3) All these technical method can greatly improve the product quality, purity and stability, and the bulk density of ceramic products, mohs hardness and ability to withstand voltage, etc.
4) ZALY are located in Lianyungang imp&exp tax-free zone, we enjoy the exclusive alumina powder imp&exp rights in China.
Any questions, do not hesitate to contact us!
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