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Description: Legacy ball clay from United Clay Mines
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| SiO2 | 52.80% | 3.10 | |
| Al2O3 | 28.90% | 1.00 | |
| Fe2O3 | 0.90% | 0.02 | |
| TiO2 | 1.70% | 0.08 | |
| CaO | 0.20% | 0.01 | |
| MgO | 0.30% | 0.03 | |
| K2O | 1.70% | 0.06 | |
| Na2O | 0.30% | 0.02 | |
| LOI | 13.20% | n/a | |
| Oxide Weight | 306.35 | ||
| Formula Weight | 352.94 | ||
| Materials |
Ball Clay
A fine particled highly plastic secondary clay used mainly to impart plasticity to clay and porcelain bodies and to suspend glaze, slips and engobe slurries. |
| 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. |
| % < 0.5 microns | 36.1% |
|---|---|
| Firing Shrinkage | 9.5% at cone 9 |
| Dry M.O.R. (50% Silica) | 510 psi |
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