Al2O3 Polishing Powder White Corundum Price
Our white fused alumina grains are produced from high purity calcined alumina in electric arc-furnaces.The molten material undergoes cooling, crushing, grinding, sieving, classifying and, of course, various quality checking procedure before it is packed for delivery.
Physical performance
white fused alumina | |
Size | 16#-10000# |
Crystals | Trigonal |
Melting point | 2250℃ |
highest used temperature | 1900℃ |
Bulk density | 1.75-1.95g/cm3 |
Specific Gravity | ≥3.90g/cm3 |
Mohs Hardness | ≥9.0 |
Usage | 1. Bonded abrasives and Coated abrasives 2. Surface treatment/finishing 3.Lapping, polishing,decorative non-skid tile, and pressure blasting. 4. Ceramic Tiles special ceramics 5. Fluidized Bed Furnaces and Skin / Dental Care 6.Grinding high carbon steel, high-speed steel and chilled steel |
Chemical composition
white fused alumina | |
Content | % |
Al2O3 | ≥99.3% |
Fe2O3 | ≤0.05% |
SiO2 | ≤0.02% |
Na2O | ≤0.25% |
Application
1. White fused alumina Commonly used in ladle castables, iron runner materials, refractory gunning mix materials and other monolithic refractory products;
2. For the shaped refractory materials, white fused alumina is mainly used in the high-quality raw materials of corundum brick, corundum mullite, refining steel porous plug brick, integral spray gun, steelmaking and continuous casting industry.
3. White fused alumina also can be used as materials for polishing, precision casting, spraying and coating, special ceramics and high-grade refractory materials,etc.
Packing
