Zhengzhou Annec Industrial Co., Ltd.
Continuously Pushing Forward R& D of HBS for BF and Progress of Refractory Technology To Become Preferred Global Supplier in High Temperature Industry
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Refractory grade raw materials Brown Fused Alumina for brick titling furnace
eatures:BFA has good crystallization,well toughness,low linear expansion coefficient, corrosion resistance
Details information:BFA is produced by the smelting of Calcined Bauxite in an electric arc furnace at temperatures greater than 2000°C.
Application :Wear-resistant and refractory products ,Reusable abrasive, Resin bond abrasive tools,Grinding and polishing media,Ceramic grinding wheels,sandblasting, precision casting
| Items | Unit | Type 1 1-3mm | Type 2 1-3mm | |
| Chemical Composition | Al2O3 | % | 95min | 95min |
| Fe2O3 | % | 0.3max | 0.3max | |
| TiO2 | % | 3.0max | 3.0max | |
| CaO+MgO | % | 0.8max | 1.0max | |
| SiO2 | % | 1.0max | 1.5max | |
| Melting point | ℃ | 2050 | ||
| Refractoriness | ℃ | 1980 | ||
| True density | g/cm3 | 3.85-3.90 | ||
| Mohs hardness | --- | 9.00min | ||
| Abrasive Grade | FEPA | F14---F30—F150-F220 | ||
| Refractory Grade | FEPA | 0-1,1-3,3-5,5-8,0-50,150F,200F,325F | ||
