Kyanite-Sillimanite Sand
Characteristics:
- Synonyms:Kyanite, Kyanite Sand, Kyanite-Sillimanite, Disthene-Sillimanite
- CAS №:1302-76-7
- Formula:Al2[SiO4]O
- ТУ-У:14-10-017-98
- УКТВЕД:2606000000
Chemical analysis:
| Content, wt % | Standard | Typical |
|---|---|---|
| Al2O3 min | 57 | 58 |
| TiO2 max | 2,5 | 2 |
| Fe2O3 max | 0,8 | 0,8 |
| Cao max | 0,2 | 0,1 |
| MgO max | 0,4 | 0,2 |
| Na2O+K2O max | 0,1 | 0,1 |
| U+Th max | 220 ppm | 220 ppm |
| Moisture max | 0,5 | 0,1 |
| ZrO2 max | - | 0,8 |
Physical description and properties:
Appearance: Dirty white free running sand. Grain shape: abnormally angular. Grain color: colorless, pale blue, grey.
- Melting point: 1850 °C
- Mullite transformation: 1350-1540 °C
- Specific gravity: 3500-3700 кг/м3
- Bulk Density: 1860-1920 кг/м3
- Grain size: 63-200 um
- Solubility in water: Insoluble
- Angle of friction: 32°
- Hardness: 6
- pH 6,5-7,0
| Mineral compositoin | Content, wt % |
|---|---|
| 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.
End use:
Kyanite - Sillimanite sand is used as raw material for steelmaking refractories, glassmaking refractories, ceramics, mullite manufacture, glass addictive and foundry uses.
Shipment:
-Bulk in railway cars.
-50 kgs bags.
-soft containers (big bags) 1t net