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Description: Fire Clay
| Oxide | Analysis | Formula | Tolerance | 
|---|---|---|---|
| CaO | 0.57% | 0.05 | |
| MgO | 0.11% | 0.01 | |
| Na2O | 0.50% | 0.04 | |
| TiO2 | 0.31% | 0.02 | |
| Al2O3 | 22.06% | 1.00 | |
| SiO2 | 66.62% | 5.13 | |
| Fe2O3 | 1.70% | 0.05 | |
| LOI | 8.13% | n/a | |
| Oxide Weight | 424.78 | ||
| Formula Weight | 462.38 | ||
A raw clay similar to the more well known Goldart. It is used in the formulation of middle and high temperature stoneware clay bodies. It's non-uniform texture and firing properties make for interesting fired surfaces.
| Materials | 
Plainsman Fireclay
 | 
| Materials | 
Fireclay
 | 
| Typecodes | 
Fireclay
 Fireclays are non-kaolin non-ball clay materials similar to stoneware clays but lacking fluxing oxides. Many fireclays have a PCE of 28 or more.  | 
| Pyrometric Cone Equivalent | 30 | 
|---|
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