Other names: Staurolite sand, Staurolite, Staurolite concentrate
CAS number: 12181-56-8
Formula: Fe,AL,SiO4 O7 (ОН)
Harmonize Commodity Code 2617900000
Chemical analysis
| Contents, % | GUARANTEED | TYPICAL |
| AL2O2+TiO2 min | 45,5 | 49 |
| SiO, max | 29 | 27 |
| Th+U max | 70 ppm | |
| Moisture, max | 0,5 | 0,2 |
Physical description and properties:
Appearance: Brown to black free running sand.
Grain shape: irregular angle.
Grain color: yellow (different tints), black.
| Specific Gravity: | 3600 – 3750 kg/m3 |
| Bulk density: | 1980-2040 kg/m3 |
| Grain size: | 63 • 200 mkm |
| Flammable: | Nonflammable |
| Solubility in Water: | Insoluble |
| Angle of friction: | 32° |
| Hardness: | 7-7,5 |
| Minerals | Contents, % |
| Staurolite: | 81-86 |
| Kyanite-sillimanite: | 0,5-1,5 |
| Ilmenite: | 5-7 |
| Zircon: | 1-1,5 |
| Turmaline: | 7-10 |
| Quartz: | 0,1-0,5 |
Storage: in closed containers or bags, protect from physical damage.
Terms of storage unlimited.
| Sieve Aperture (microns) | Cumulative retained, % |
| +200 | 5 |
| +160 | 45 |
| +100 | 93 |
| +63 | 99 |
Note: We are ready to consider the possibility of staurolite briquette supplies (made by pressing of the staurolite concentrate and clay).
End use: Additive for slag fluidifying in open-hearth furnances.
Shipment:
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