Mineral Composite
Product Benefits
Hard materials for structural ceramics include granite, basalt, lava, chamottes and traditional sand compositions out of our wide Sibelco portfolio. Having such a wide range of hard materials means that we are able to find solutions to meet each special customer requirement.
In general, the hard materials offer:
- Better processability
- Excellent end result
Technical Details
HARD MATERIAL | Country of Origin | Chemical Analysis % | Particle Size d50 | Particle Size % > | 63µm | 10µm | 2µm | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Products | SiO2 | AI2O3 | Fe2O3 | Alkalis | LOI | µm | 1mm | 250µm | ||||
Granit | GB | 60.3 | 18.2 | 4 | 4 | 3.7 | – | – | – | 10.1 | 70 | 49 |
Granit | NO | 73.1 | 10 | 2.8 | 2.5 | 6.5 | – | – | – | 90.1 | 5 | 2 |
Basalt | DE | 41 | 12.5 | 11.5 | 2.6 | – | – | – | – | Max. 125µm | – | – |
Lava | DE | 44 | 12.3 | 11.6 | 3.4 | 0.5 | – | – | – | Max 4mm | – | – |
FS-Rot | DE | 70.9 | 17.6 | 6.8 | 2.4 | – | – | – | – | – | – | – |