high temperature alumina: 1.Usage:refractories;ceramics;polishing;etc 2. Al2O3: 99.5% min 3.high temperature 1500 degree
1. Physical properties:
The product is white powder,uniform of particle size,easy to dispersion,stable of chemical performance,moderate
in high temperature shrinkage and excellent sintering properties.
2.Function characteristics:
The product is the basic raw material in the production of heat-resisting product,abrasion-resisting products and decay resistance products such as for producing the high alumina refractories, high-strength ceramics, automobile spark plugs and high-grade abrasive materials.
3.Parameters:
Index | AL2O3 | SiO2 | Fe2O3 | Na2O | loss on ignition | Density | α-AL2O3 | Grain (D50) |
Unit | % | % | % | % | % | g/ml | % | μm |
Technical Data | ≥99.4 | ≤0.20 | ≤0.04 | ≤0.3 | ≤0.20 | ≥3.95 | >93 | 0.6-3.0 |
high temperature alumina powder for refractories and ceramics
