vol334cer
Description: PURIFIED HECTORITE
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 3.53% | 0.11 | |
| K2O | 0.40% | 0.01 | |
| MgO | 18.10% | 0.76 | |
| Na2O | 4.65% | 0.13 | |
| TiO2 | 0.17% | - | |
| Al2O3 | 3.59% | 0.06 | |
| SiO2 | 50.70% | 1.43 | |
| Fe2O3 | 0.94% | 0.01 | |
| LOI | 17.80% | n/a | |
| Oxide Weight | 138.81 | ||
| Formula Weight | 168.87 | ||
Notes
An economical blend of beneficiated purified hectorite. Used to promote optimum surface hardening of unfiring ceramic glazes.
Specific Gravity: 2.5
pH (5% dispersion): 9.5-10.5
C.E.C. (meq/100g): 120
Dry Brightness (Green Filter): 75
Color: White
% Moisture Content: 10% Max.
Brookfield Viscosity (60 rpm @ 5% solids): 12,020 cps
Related Information
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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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