Description: Legacy stoneware from United Clay Mines
| Oxide | Analysis | Formula | |
|---|---|---|---|
| SiO2 | 59.40% | 4.03 | |
| Al2O3 | 25.00% | 1.00 | |
| Fe2O3 | 2.80% | 0.07 | |
| TiO2 | 0.90% | 0.05 | |
| CaO | 0.30% | 0.02 | |
| MgO | 0.20% | 0.02 | |
| K2O | 2.10% | 0.09 | |
| Na2O | 0.70% | 0.05 | |
| LOI | 8.60% | n/a | |
| Oxide Weight | 372.91 | ||
| Formula Weight | 408.00 | ||
| Typecodes |
Stoneware Clay
These materials generally contain bentonite, ball clay, kaolin, feldspar, mica, quartz and some iron impurities. They can often be used as a body with few additives. |
|---|
| % < 0.5 microns | 52% |
|---|---|
| Drying Shrinkage | n/a |
| Firing Shrinkage | 19% at cone 9 |
| Water absorption | 0% at cone 9 |
| Dry M.O.R. (50% Silica) | 820 psi |
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