Chemical Composition:
Al2O3 |
α-Al2O3 |
SiO2 |
Fe2O3 |
Na2O |
Loss on ignition |
True specific gravity |
≥99.0% |
≤95% |
≤0.07% |
≤0.03% |
≤0.05% |
≤0.10% |
≥3.95% |
Properties of product:
This product is white powder or fine sand like, has stable crystal structure and good thermal stability, very low Na2O content, high chemical purity. It is hard to dissolve in strong acid and strong alkali, easy to grind and agglutinate.
Main Use:
This product is a renewed raw material for product quality upgrading in the production procedures of high alumina refractory, refractory castable, electric porcelain parts of apparatus, auto spark plug and alumina ceramics. Besides, it is also applied widely for grinding and polishing products.