Versatile for Demanding Applications
Our Brown Fused Alumina (BFA) offers an outstanding combination of hardness, toughness, and chemical resistance. It is used in a wide range of industrial applications, including grinding, blasting, and refractory material production. Its excellent abrasiveness makes it ideal for working with metals, glass, and other hard materials.
PRODUCT FEATURES
| Typical physical properties | |
|---|---|
| Hardness | 9 mohs |
| Grain shape | angular |
| Melting point | ca. 2.050 °C |
| Specific gravity | ca. 3,9 – 4,1 g/cm3 |
| Bulk density* | ca. 1,5 – 2,1 g/cm3 |
*depending on grain size
| Typical chemical analysis | ||
|---|---|---|
| Brown Fused Alumina Macro | Brown Fused Alumina Micro | |
| Al2O3 | 95,65 % | 94,20 % |
| TiO2 | 2,42 % | 2,79 % |
| Fe2O3 | 0,12 % | 0,33 % |
| SiO2 | 0,92 % | 1,34 % |
| CaO | 0,35 % | 0,33 % |
AVAILABLE SIZES
Brown Fused Alumina Macro
| FEPA
Average grain size (µm) |
|
|---|---|
| F 008 | 2000 – 2800 |
| F 010 | 1700 – 2360 |
| F 012 | 1400 – 2000 |
| F 014 | 1180 – 1700 |
| F 016 | 1000 – 1400 |
| F 020 | 850 – 1180 |
| F 022 | 710 – 1000 |
| F 024 | 600 – 850 |
| F 030 | 500 – 710 |
| F 036 | 425 – 600 |
| F 040 | 355 – 500 |
| F 046 | 300 – 425 |
| F 054 | 250 – 355 |
| F 060 | 212 – 300 |
| F 070 | 180 – 250 |
| F 080 | 150 – 212 |
| F 090 | 125 – 180 |
| F 100 | 106 – 150 |
| F 120 | 90 – 125 |
| F 150 | 63 – 106 |
| F 180 | 53 – 90 |
| F 220 | 45 – 75 |
| Metric
Average grain size (mm) |
|
|---|---|
| 0,06 – 0,12 | |
| 0,12 – 0,25 | |
| 0,25 – 0,50 | |
| 0,50 – 1,00 | |
| 1,00 – 2,00 | |
| 1,00 – 3,00 |
Brown Fused Alumina Micro
| FEPA
Average grain size (µm) |
|||
|---|---|---|---|
| ds3-value max. | ds50-value | ds94-value min. | |
| F 230 | 82 | 53,0 +/-3,0 | 34,0 |
| F 240 | 70 | 44,5 +/-2,0 | 28,0 |
| F 280 | 59 | 36,5 +/-1,5 | 22,0 |
| F 320 | 49 | 29,2 +/-1,5 | 16,5 |
| F 360 | 40 | 22,8 +/-1,5 | 12,0 |
| F 400 | 32 | 17,3 +/-1,0 | 8,0 |
| F 500 | 25 | 12,8 +/-1,0 | 5,0 |
| F 600 | 19 | 9,3 +/-1,0 | 3,0 |
| F 800 | 14 | 6,5 +/-1,0 | 2,0 |
| F 1000 | 10 | 4,5 +/-0,8 | 1,0 |
| F 1200 | 7 | 3,0 +/-0,5 | 1,0* |
* at 80%
BLASTING SYSTEMS
Pressure blast machines
Vacuum blast machines
APPROVAL
CSS12 (Rolls-Royce)
ABR 9-0160 (Airbus)
PMC 3046 (Pratt & Whitney)
PMC 3052 (Pratt & Whitney)
PMC 3132 (Pratt & Whitney)
PACKAGING
25 kg bags on 1t pallets
1 ton loose in a big bag
SPECIFICATION
FEPA F Norm
FEPA P Norm
EN ISO 11126-7
EN 4637
DIN ISO 8486-1
DIN 8201-6
ANSI B74-12
JIS R6001
NF EN 4638
D50TF5 Class A+D
DMR71-100
NF L 06-829
Why Choose Kuhmichel's Brown Fused Alumina?
Kuhmichel provides a reliable source of high-quality Brown Fused Alumina. Our products meet strict quality standards and offer excellent performance for demanding applications.
- Top-Quality: Our Brown Fused Alumina meets the highest ISO standards and is regularly tested for purity and efficiency.
- Versatile Applications: Ideal for grinding, blasting, and as an additive in refractory materials.
- Exceptional Abrasiveness: High grinding performance for fast and effective surface processing.
Properties of Brown Fused Alumina
Kuhmichel's Brown Fused Alumina stands out for its exceptional hardness and high-temperature resistance, making it particularly suitable for industrial applications.
- High Hardness: Excellent abrasiveness and wear resistance for efficient grinding and blasting.
- Chemical Resistance: Resistant to acids, alkalis, and high temperatures for long-lasting performance.
- Versatility: Suitable for various applications, from grinding and blasting to refractory materials.
Your Benefits at a Glance
- Efficient and Cost-Effective: Reduces processing time and increases the lifespan of machinery and tools.
- High Quality: Our Brown Fused Alumina meets the highest quality standards and undergoes rigorous testing.
- Reliable for Demanding Applications: Ideal for industrial processes requiring high hardness and durability.
