WC-5 Kaolin
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.06% | - | |
| K2O | 0.18% | 0.01 | |
| MgO | 0.05% | - | |
| Na2O | 0.03% | - | |
| TiO2 | 1.50% | 0.05 | |
| Al2O3 | 38.40% | 1.00 | |
| SiO2 | 45.60% | 2.02 | |
| Fe2O3 | 0.40% | 0.01 | |
| LOI | 13.80% | n/a | |
| Oxide Weight | 229.02 | ||
| Formula Weight | 265.69 | ||
Notes
Wilklay WC-5 is a clean, high quality, very white firing airfloated kaolin especially selected for the whitewares segment of the ceramic industries. The clay has very low residue, an intermediately fine particle size and high plasticity. It is an alternative to #6 Tile and Sapphire kaolin.
Moisture, Max% as produced: 1.0
325 mesh residue, Max: 1.0
Median particle size: 1.2 microns
pH (28% solids), average: 6.9
CEC (Meq/100 gr): 4.0
Particle size:
% Finer than 20 microns: 98
10 microns: 93
5 microns: 80
2 microns: 58
1 micron: 44
0.5 microns: 27
Related Information
Links
| Materials |
Kaolin
The purest of all clays in nature. Kaolins are used in porcelains and stonewares to impart whiteness, in glazes to supply Al2O3 and to suspend slurries. |
| Typecodes |
Kaolin
Pure clay mineral, there are many brand names of varying purity and iron content. |