HB LUMPS hydrous kaolin (china clay)
An off-white 2-micron water-washed hydrous kaolin in lump form with low viscosity suitable for ceramic bodies where whiteness is not required. Packaging: 25 kg bags palletised - 22t per FCL, or loose - 25t per FCL.
| REFINING PROCESS: | Water washing, hydrocyclone beneficiation And screening followed by mechanical‑thermal drying |
|
| MINERALOGICAL COMPOSITION: | Kaolinite ‑ trace mica and quartz | |
| PACKAGING: | 25 kg & 50 kg lined HDPE bags 1 t bulk bags |
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| PHYSICAL PROPERTIES: | TYPICAL | |
|---|---|---|
| Abrasiveness (Einlehner tester) | 64 g/m2 | |
| Particle size distribution | <10 micron | 87% |
| < 2 micron | 60% | |
| Mean particle size (D50) | 1.1 micron | |
| Residue (> 45 micron) | 1.5% | |
| Reflectance (Elrepho R457) | 75% (off-white in colour) | |
| pH Value | 7 - 8 | |
| Specific gravity of kaolin mineral | 2,60 | |
| Mohs hardness | 2,0 – 2,5 | |
| Moisture content | Maximum | 4.5 % |
| Oil absorption (linseed oil) | 45 ml/100g | |
| CHEMICAL ANALYSIS: | TYPICAL | |
| SiO2 | 47,32% | |
| Al2O3 | 36,52% | |
| Fe2O3 | 0,56% | |
| TiO2 | 0,82% | |
| CaO | 0,31% | |
| MgO | 0,18% | |
| Na2O + K2O | 0,92% | |
| L.O.I. | 13,02% | |
| Signed: V. Jain, Manager, October 2006 | ||