


XM-CK80 is an anhydrous aluminium silicate produced by heating ultrafine natural kaolin to high temperatures in a kiln. The calcination process increases whiteness and hardness, improves electrical properties, and alters the size and shape of the kaolin particles.
Product Introduction
XM-CK80 is an anhydrous aluminium silicate produced by heating ultrafine natural kaolin to high temperatures in a kiln. The calcination process increases whiteness and hardness, improves electrical properties, and alters the size and shape of the kaolin particles.
Technical Data
| Item | Index |
| D50 (μm) | 3.5 |
| Whiteness (%) | 92 |
| Specific Gravity | 2.6 |
| pH value | 5.5-7.5 |
| Moisure (%) | 0.5 |
| Oil Absorption Value g/100g | 55-60 |
| Residue on sieve(45μm) | 0.015 |
| SiO2 (%) | 50±2 |
| Al2O3 (%) | 45±2 |
| Fe2O3 (%) | 0.46 |
| TiO2 (%) | 0.52 |
| CaO (%) | 0.21 |
| MgO (%) | 0.19 |
| K2O (%) | 0.11 |
| Na2O (%) | 0.09 |
Application
Calcined kaolin XM-CK80 are widely used in paper, coatings,plastics ,cable,rubber,nylon etc.