Brown corundum
THE BLACK CORUND
Artificial brown corundum is a very hard, sharp-edged abrasive suitable for blasting in pressure and injector cabins equipped with abrasive recycling. It is also used for free grinding.
Use
- Production of grinding tools and tools
- Manufacture of refractory blocks, bricks, cements, ceramic sleeves, catalysts and blowing agents
- Free form, drum, vibratory and deburring – deburring
- Dry and wet blasting of sheet metal, welds, structures
- Surface and dimensional adjustment by lapping – achieving surface parallelism and dimensional accuracy
- In stone cutting as a cutting medium for rope and frame saws
Features
Hardness of material
9 Mohs
Volume weight
approx. 1.5 – 2.1 g/cm3
Specific gravity
approx. 3.9 – 4.1 g/cm3
Colour
Brown
Packaging
Paper bags (25 kg)
40 x 25 kg on EUR pallet / Big bag
Parameters
Chemical composition :
| Item | Composition |
| Al2O3 | 95,20% |
| TiO2 | 2,45% |
| Fe2O3 | 0,15% |
| SiO2 | 1,20% |
| CaO | 0,30% |
Size :
| Mark | Size in µm |
| F 012 | 1400 – 2000 µm |
| F 014 | 1180 – 1700 µm |
| F 016 | 1000 – 1400 µm |
| F 020 | 850 – 1180 µm |
| F 022 | 710 – 1000 µm |
| F 024 | 600 – 850 µm |
| F 030 | 500 – 710 µm |
| F 036 | 425 – 600 µm |
| F 040 | 355 – 500 µm |
| F 046 | 300 – 425 µm |
| F 054 | 250 – 355 µm |
| F 060 | 212 – 300 µm |
| F 070 | 180 – 250 µm |
| F 080 | 150 – 212 µm |
| F 090 | 125 – 180 µm |
| F 100 | 106 – 150 µm |
| F 120 | 90 – 125 µm |
| F 150 | 63 – 106 µm |
| F 180 | 63 – 90 µm |
| F 220 | 53 – 75 µm |