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Huntingdon Ball Clay
Description: Tennessee Ball Clay
| Oxide | Analysis | Formula | |
|---|---|---|---|
| CaO | 0.10% | - | |
| K2O | 0.10% | - | |
| MgO | 0.10% | 0.01 | |
| Na2O | 0.10% | - | |
| TiO2 | 2.40% | 0.08 | |
| Al2O3 | 38.30% | 1.00 | |
| SiO2 | 44.80% | 1.99 | |
| Fe2O3 | 0.60% | 0.01 | |
| LOI | 13.60% | n/a | |
| C | 0.30% | n/a | |
| Oxide Weight | 230.37 | ||
| Formula Weight | 267.56 | ||
Notes
Modulus of Rupture at 110C
Mn/M2 - 2.6
lbf/in2 - 370
Water Absorption
1120C - 13.0
1220C - 8.0
Shrinkage Dry to Fired
1120C - 8.0
1220C - 12.5
Refractoriness
Cone - 35, 1770C
Related Information
Links
| 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. |
Data
| % < 0.5 microns | 44 |
|---|---|
| % < 5 microns | 90 |
| Pyrometric Cone Equivalent | 35 |
| % < 20 microns | 97 |
| % < 10 microns | 95 |
| % < 2 microns | 71 |
| % < 1 micron | 60 |
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