WA WFA Refractory White Fused Alumina
Properties/type | 0-1mm, 1-3mm, 3-5mm | 0-100, 0-200, 0-320mesh | |||
Guarantee Value | Typical Value | Guarantee Value | Typical Value | ||
Chemical composition | AI2O3 | 99.0 min | 99.5 | 98.5min | 99.0 |
SiO2 | 0.4 max | 0.06 | 0.3max | 0.08 | |
Fe2O3 | 0.2 max | 0.04 | 0.2max | 0.10 | |
Na2O | 0.4 max | 0.30 | 0.4max | 0.35 | |
Test items | indicators |
Mohs hardness | 9.0 |
Bulk density | 1.75-1.95g/cm3 |
Real density | 3.95g/cm3 |
Melting point | 2250℃ |
The highest operating temperature | 1900℃ |
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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.
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