Low sodium refractory White Fused Alumina
White fused alumina / White Corundum is a high-grade refractory material, which made from high-quality alumina powder by melting above 2000 ℃ in the electric arc furnace and cooling, classified into different grain sizes.
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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Henan sicheng Abrasives Tech Co.,ltd was established in 2009. It covers the area of 10 years. With updated new equipment, our factory can produce White Fused Alumina 15,000 tons per year, It is one of the high grade refractory production base in China.
We have our own individual laboratory, the testing method for particle size is laser measuring method. From raw material choosing and purchasing, production processes, to market & sales, we all have very high standards. Which makes our products very popular among Japan, Korea, Southeast Asia, Middle East and European countries.
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