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Bedminster Ball Clay
Description: Legacy ball clay from United Clay Mines
| Oxide | Analysis | Formula | |
|---|---|---|---|
| SiO2 | 52.10% | 2.72 | |
| Al2O3 | 32.50% | 1.00 | |
| Fe2O3 | 1.50% | 0.03 | |
| TiO2 | 1.30% | 0.05 | |
| CaO | 0.20% | 0.01 | |
| MgO | 0.50% | 0.04 | |
| K2O | 0.50% | 0.02 | |
| Na2O | 2.20% | 0.11 | |
| LOI | 9.10% | n/a | |
| Oxide Weight | 284.97 | ||
| Formula Weight | 313.50 | ||
Related Information
Links
| 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. |
|---|---|
| Typecodes |
Ball Clay
Ball clays are abundant and very plastic and are used in all types of plastic forming bodies. They are not as white-burning or refractory as kaolins but lower in iron and fluxes than bentonites. |
Data
| % < 0.5 microns | 66% |
|---|---|
| Drying Shrinkage | 5.0% |
| Firing Shrinkage | 10% at cone 9 |
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