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Bell Special Clay
Alternate Names: Bell Special Ball Clay
Description: Legacy ball clay
| Oxide | Analysis | Formula | |
|---|---|---|---|
| CaO | 0.30% | 0.02 | |
| MgO | 0.30% | 0.03 | |
| K2O | 0.45% | 0.02 | |
| Na2O | 0.45% | 0.02 | |
| TiO2 | 1.60% | 0.07 | |
| Al2O3 | 30.22% | 1.00 | |
| SiO2 | 55.51% | 3.12 | |
| Fe2O3 | 0.98% | 0.02 | |
| LOI | 10.19% | n/a | |
| Oxide Weight | 303.13 | ||
| Formula Weight | 337.52 | ||
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. |
|---|
Data
| % < 0.5 microns | 66.5% |
|---|---|
| Drying Shrinkage | 8.2% |
| Firing Shrinkage | 9.6% at cone 9 |
| Water absorption | 5.8% at cone 9 |
| Dry M.O.R. (50% Silica) | 610 psi |
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