Brown Fused Alumina
FEPA Standard: F8, F10, F12, F14, F16, F20, F22, F24, F30, F36, F40, F46, F54, F60, F70, F80, F90, F100, F120, F150, F180, F220, F230, F240, F280, F320, F360, F400, F500, F600, F800
JIS Standard: #8, #10, #12, #14, #16, #20, #24, #30, #36, #46, #54, #60, #70, #80, #90, #100, #120, #150, #180, #220, #240, #280, #320, #360, #400, #500, #600, #700, #800, #1000, #1200, #1500, #2000
Description of Brown Fused Alumina
Brown Fused Alumina Product Size:
Brown Fused Alumina, also known as corundum, is a tan artificial corundum obtained by melting and reducing three raw materials of bauxite, carbon material and iron filings in an electric arc furnace, hence the name. The main chemical composition of brown corundum is AL2O3, its content is 95.00%-97.00%, and it also contains a small amount of Fe, Si, Ti and so on. Brown Fused Alumina is the most basic abrasive and is widely used because of its good grinding performance, wide application range and low price.
The main component of Brown Fused Alumina is alumina, and the grade is also distinguished by the aluminum content. The lower the aluminum content, the lower the hardness.
Product granularity is produced according to international standards and national standards, and can be processed according to user requirements. The general particle size number is F4~F320, and its chemical composition varies depending on the particle size. The outstanding feature is that the crystal size is small and impact-resistant. Because it is processed and broken by a self-grinding machine, the particles are mostly spherical particles, the surface is dry and clean, and it is easy to bond with a binder.
Application of Brown Fused Alumina
1, Grinding and Polishing Materials
The surface polishing process with Brown Fused Alumina abrasives has low pressure, which avoids leaving very fine lines on the surface of the steel plate. The polishing workpiece has good consistency, the workpiece will not burn, and the processing efficiency is high.
2, Making Resin Abrasives
Use 30%-50% of Brown Fused Alumina and black corundum to compound to make resin abrasives. Compared with traditional resin abrasives, the resin abrasives made of this composite abrasive have significantly improved sharpness and higher cut or grinded finish. , the color becomes smaller. Due to the low cost, resin abrasive tools made of composite abrasives have high cost performance.
3, Making Coated Abrasives
The application of Brown Fused Alumina series products in the field of resin abrasives and coated abrasives is to replace some other abrasives, and partially replace other abrasives to make abrasives. High-cost abrasives are equivalent, but they will reduce the production cost of abrasive tools and greatly improve the cost performance.
Packing Information of Brown Fused Alumina
Our Fused Alumina product range is available in 25kg paper sacks, 1000kg bulk bags or as bulk as standard.
Advantages of Bontrue Brown Fused Alumina
Devoted to refractory materials R&D and manufacture
Powerful R&D technical strength
Years of refractory engineering expertise
ISO 9001:2015 certified
Owns proprietary intellectual property rights
Possessing sophisticated manufacturing equipment and inspection equipment
Possessing advanced technics and production process
Product Advantages
Full range of silicon carbide, tabular alumina, refining slag, taphole clay, well block, tapping hole block, and nozzle brick products.
Supreme Quality system
Cost-effective
Technical Parameter of Brown Fused Alumina
| Chemical Composition(%) | Physical Property | ||
| Al3O3 | 92.5-97 | Gravity | 3.50-3.90g/cm3 |
| Fe2O3 | 0.3-1.0 | Density | 1.30-1.90g/cm3 |
| SiO2 | 1.0-2.0 | Hardness (Mohs) | 9.0-9.3 |
| TiO2 | 1.5-4.0 | ||
| Size | 5-8mm (-8+5mm) 3-5mm (-5+3mm) 1-3mm (-3+1mm) 0-1mm (-1mm) |
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| FEPA standard | F8, F10, F12, F14, F16, F20, F22, F24, F30, F36, F40, F46, F54, F60, F70, F80, F90, F100, F120, F150, F180, F220, F230, F240, F280, F320, F360, F400, F500, F600, F800 | ||
| JIS standard | #8, #10, #12, #14, #16, #20, #24, #30, #36, #46, #54, #60, #70, #80, #90, #100, #120, #150, #180, #220, #240, #280, #320, #360, #400, #500, #600, #700, #800, #1000, #1200, #1500, #2000 | ||
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