ALUSIL SX high gloss kaolin (china clay)
A creamy 1-micron water-washed hydrous kaolin powder suitable as a filler or extender in paint, rubber and inks. Its fine particle size helps to give a smooth finish. Packaging: 25 kg bags palletised - 16t per FCL, or loose - 18t per FCL.
| REFINING PROCESS: | Delaminating, Drag Classification, hydro cyclone beneficiation and screening followed by mechanical‑thermal drying | |
| MINERALOGICAL COMPOSITION: | Kaolinite ‑ trace mica and quartz | |
| SALIENT FEATURES: | Excellent opacity Suspension agent Viscosity enhancer Scrub resistance Enamel holdout Anti-caking agent |
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| PACKAGING: | Powder | 25 kg bags |
| PHYSICAL PROPERTIES: | TYPICAL | |
|---|---|---|
| Particle size distribution | <10 micron | 99% |
| < 2 micron | 72% Minimum | |
| Mean particle size (D50) | 1 micron | |
| Residue (> 45 micron) | 0% | |
| Reflectance (Elrepho R457) | 84% (white in colour) | |
| ISO-Brightness | 84% ± 1 | |
| Brightness (Elrepho Ry) | 90% | |
| Fired ISO-Brightness at 1200°C | 94% ± 1 | |
| pH Value | 7,25 | |
| Specific gravity of kaolin mineral | 2,60 | |
| Mohs hardness | 2,0 – 2,5 | |
| Moisture content | 1% | |
| Oil absorption of powder (gm/100gm) | 35 – 45% | |
| CHEMICAL ANALYSIS: | TYPICAL | |
| SiO2 | 45,20% | |
| Al2O3 | 37,20% | |
| Fe2O3 | 0,35% | |
| TiO2 | 0,90% | |
| CaO | 0,016% | |
| MgO | 0,08% | |
| K2O | 0,20% | |
| Na2O | 0,13% | |
| L.O.I. | 13,50% | |
| Applications: Ceramics, Paper, Paint, Pigments, Printing and inks | ||