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Description: FINE WHITE CALCIUM HECTORITE
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 4.04% | 0.12 | |
| K2O | 0.33% | 0.01 | |
| Li2O | 1.50% | 0.09 | |
| MgO | 17.90% | 0.77 | |
| Na2O | 0.50% | 0.01 | |
| TiO2 | 0.20% | - | |
| Al2O3 | 4.21% | 0.07 | |
| SiO2 | 44.10% | 1.27 | |
| Fe2O3 | 1.36% | 0.01 | |
| LOI | 25.80% | n/a | |
| Oxide Weight | 128.25 | ||
| Formula Weight | 172.84 | ||
Finely ground, white, calcium hectorite clay. Used as a binder in extruded tile to increase green strength with minimum increases in viscosity.
Specific Gravity: 2.5
pH (5% dispersion): 8.5-9.5
C.E.C. (meq/100g): 104
Dry Brightness (Green Filter): 71
Color: White
% Moisture Content: 10% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 24cps
| Typecodes |
Clay Other
Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically. |
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