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Common
corundum FeSi NK-F |
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| By-product
obtained in production of common corundum |
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A tough hard aluminium oxide whose
iron content is exclusively bonded to silicon. Non-corrosive, but
aggressive in blasting behaviour. Suited for various applications
in the field of steelwork such as derusting, roughing and paint
removal.
Antiwear agents, hard concrete |
| Chemical
analysis (average) |
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| Al2O3 |
|
ca. |
35 % |
|
Si |
|
ca. |
14 % |
| TiO2 |
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|
2,96 % |
|
Fe2O3 |
|
ca. |
45 % |
| SiO2 |
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5,78 % |
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| Specific weight: |
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6,5 g/cm³ |
| Hardness: |
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Knoop 1800/2090, Mohs 8 |
| Grain shape: |
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angular |
| Bulk weight: |
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2,4 - 3,2 g/cm³, depending
on grain size |
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| Available grain
sizes are based on DIN recommendation. |
| Grains
sizes according to DIN |
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| Grain
sizes in mm |
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| 0,20 - 4,00 |
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| 1,00 - 3,00 |
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| 1,50 - 2,00 |
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| 1,00 - 2,00 |
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| 1,00 - 1,50 |
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| 0,50 - 1,50 |
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| 0,50 - 1,00 |
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Other grain sizes available
on request. |
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| 0,25 - 0,50 |
| 0,12 - 0,25 |
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Common corundum FeSi is not
dangerous to health. Its use is not associated with a danger of
silicosis. Corundum is neither carcinogenic nor toxic. |
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25/50
kg paper bags, palletised on 1 t pallets and shrink wrapped.
1 – 1.5 t big bags with discharge chute on pallet. |
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