Brown Fused Alumina
When it comes to good value for money, brown fused alumina is the first choice among the angular mineral products. As well as its high hardness, brown fused alumina is also noted for its extreme toughness which gives this iron-free blasting medium and abrasive extremely high stability.
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
PACKAGING
25 kg bags on 1t pallets
1 ton loose in a big bag
APPROVAL
CSS12 (Rolls-Royce)
ABR 9-0160 (Airbus)
PMC 3046 (Pratt & Whitney)
PMC 3052 (Pratt & Whitney)
PMC 3132 (Pratt & Whitney)
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