Calcined Kaolin has the characteristics of high whiteness,good particle size distribution and good covering ability. Slightly soluble in hydrochloric acid and acetic acid at room temperature, easily dispersed in water or other liquids.
Easy to disperse, good covering performance, high whiteness. It has good plasticity and high adhesion, excellent electrical insulation, strong ion adsorption and weak cation exchange.
- Used in paper industry coated paper, coated paper, whiteboard paper, corrugated paper and coating;
- Used to improve the whiteness, smoothness, opacity and gloss of the product and other properties.
- Used as a functional filler in rubber industry , can partially replace white carbon black, play a role in strengthening and reducing costs.
| Item |
Washed Kaolin(%) |
| SiO2 |
45.48 |
| Al2O3 |
38.82 |
| Fe2O3 |
0.64 |
| TiO2 |
0.31 |
| CaO |
0.01 |
| MgO |
0.04 |
| K2O |
0.36 |
| Na2O |
0.02 |
| I.L |
14.2 |
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