Kyanite sillimanite acinose concentrate
Other names: Kyanite-sillimanite sand, Disthene-sillimanite sand, Kyanite sillimanite acinose concentrate.
CAS number: 1302-76-7
Formula: Al2 [SiOJ О
Harmonize Commodity Code 2606000000
Chemical analysis
| Contents, % | GUARANTEED | TYPICAL |
| Аl203, min | 57 | 58 |
| TiO2, max | 2,5 | 1,2-2,0 |
| Fe203, max | 0,8 | 0,8 |
| CaO, max | 0,2 | 0,1 |
| MgO max | 0,4 | 0,2 |
| Na20+K20 max | 0,1 | |
| Th+U max | 70 ppm | |
| Moisture, max | 0,5 | 0,1 |
| Zr02 max | 0,8 |
Physical description and properties:
Appearance: Dirty-white free running sand.
Grain shape: platelet, oblong, irregular angle.
Grain color: colorless, light blue, light grey.
| Melting point: | 1850 °С |
| Mullite transformation: | 1350 – 1550 °С |
| Specific Gravity: | 3200 – 3500 kg/m3 |
| Bulk density: | 1860 -1920 kg/m3 |
| Grain size: | 63 – 200 mkm |
| Flammable: | Nonflammable |
| Solubility in Water: | Insoluble |
| Угол естественного откоса: | 32° |
| Angle of friction: | 6 |
| рН: | 6,5 – 7,0 |
| Minerals | Contents, % |
| Kyanite-Sillimanite | 93-94 |
| Rutile/ Ilmenite: | 1-2 |
| Zircon: | 1-1,5 |
| Quartz: | 1-3 |
Storage: in closed containers or bags, protect from physical damage.
Terms of storage unlimited.
| Sieve Aperture (microns) | Cumulative retained, % |
| + 200 | 4 |
| + 160 | 40 |
| + 100 | 90 |
| + 63 | 99,7 |
End use: Row material for steelmaking, refractories, glassmaking refractories, ceramics coating, glass additive, mullite manufacture and foundry uses.
Shipment:
- Bulk in railway cars or vessel holds;
- 50 kg bags;
- Soft containers (big bag) 1 t net.
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