Description:
- Brown Fused Alumina, also known as Brown Aluminum Oxide or Brown Fused Aluminum Oxide, is an abrasive material made by fusing aluminum oxide powder under high temperatures. This process results in a hard, brownish-colored abrasive grain that is widely used in various grinding, polishing, and cutting applications due to its excellent hardness and wear resistance.
- Beyond regular Brown Fused Alumina, we specialize in providing Heat Treated Brown Fused Alumina and Coated Brown Fused Alumina, tailored to your unique requirements.
Features:
They are two types of brown fused alumina produced through different processes, and they differ in terms of performance and applications.
- Tilting Furnace BFA
- Fixed Furnace BFA
| Item | Tilting Furnace BFA | Fixed Furnace BFA |
|---|---|---|
| Production Process | Produced in a tilting furnace, which allows the molten alumina to be poured out for more uniform cooling and crystallization. | Produced in a stationary electric furnace, where the melting and cooling processes occur in the same location without tilting. |
| Performance | Typically has a better crystal structure and higher purity. This production method helps to reduce impurities, resulting in a higher quality product. | May contain more impurities and have a less uniform crystal structure. However, this doesn’t mean the quality of fixed furnace products is poor, but they may be slightly inferior in some properties compared to tilting furnace products. |
| Application | Due to its higher purity and superior crystal structure, it is often used in more demanding applications, such as high-grade abrasives and refractory materials. | Typically used in standard applications, such as general abrasive and refractory material manufacturing. |
Specifications:
- Typical Chemical Analysis
| Item | Size | Al2O3 | TiO2 | SiO2 | Fe2O3 |
|---|---|---|---|---|---|
| BFA-Resin | F24 | 95.11% | 2.26% | 1.27% | 0.15% |
| BFA-Vitrified | F24 | 95.55% | 2.79% | 0.69% | 0.13% |
- Physical Property
| Color | Crystal Structure | Crystal Size | Melting Point | Microhardness | True Density |
|---|---|---|---|---|---|
| Brownish | α-Al2O3 | 200-400 um | 2250°C | 2200-2280 kg/mm² | 3.9 g/cm³ |
Application:
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