Kaolin, or China clay, is the mineral kaolinite, a hydrous aluminum silicate formed by the decomposition of minerals such as feldspar. China Clay appears as odorless white to yellowish or grayish powder. It is used as filler in various industries. China Clay is available in lumps and powder form of various sizes, grades, and purity.
China Clay
| Chemical Composition | |
|---|---|
| SiO2 | 45 to 50% |
| Al2O3 | 34 to 38% |
| Fe2O3 | 0.8 to 1% |
| CaO | 0.8 to 1.1% |
| MgO | 0.2 to 0.4% |
| LOI | 11 to 13% |
| pH | 8 to 9 |
| Bulk Density | 0.6 to 0.7 gm/cc |
| Oil Absorption | 39.5 ml/100 gm |
| Whiteness | 78 to 85 % |
Industrial Applications
Glass
Paper
Paint
Rubber
Ceramic
Weilding
Fertilizers
Soap & Detergents
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