S4 Pellets hydrous kaolin (china clay)
This clean 2-micron water-washed hydrous kaolin is mainly used in ceramic glazes. It comes in pellet form and is packed in 1250 kg bulk bags (no pallets) - 25t per FCL.
| MINERALOGICAL COMPOSITION: | Kaolinite ‑ trace quartz and muscovite |
|
| PACKAGING: | 1.25 mt bulk bags or 50 kg bags | |
| PHYSICAL PROPERTIES: | TYPICAL | |
|---|---|---|
| Abrasiveness (Einlehner tester) | 5 g/m2 | |
| Particle size distribution | <20 micron | 99.4% |
| <10 micron | 93.6% | |
| < 2 micron | 70.4% | |
| Mean particle size (D50) | 1.6 micron | |
| Sieve Residue (No 0063) | 0.5 – 0.6% | |
| Residue (> 45 micron) | 0.04% | |
| Whiteness (Reflection factor), % | 83% (+/- 1%) | |
| Fired Reflectance (Elrepho R457) | 84% | |
| pH | 7.5 – 9.5 | |
| Specific gravity of kaolin mineral | 2.60 | |
| Mohs hardness of kaolin mineral | 2.0 – 2.5 | |
| Mechanical bending strength, Mpa | 1.0 Mpa | |
| Moisture content | Maximum | 14 - 22% |
| CHEMICAL ANALYSIS: | TYPICAL | |
| SiO2 | Maximum | 48% |
| Al2O3 | Minimum | 36% |
| Fe2O3 | Maximum | 0.5% |
| TiO2 | 0.7 – 0.8% | |
| CaO | 0.4% | |
| Kaolinite | 99% | |
| Muscovite | 0.06% | |
| Quartz | Maximum | 1% |
| L.O.I. % | Maximum | 13.0 – 14.0% |
| Latest revision: 13 October 2008 | ||