| Monthly Tech-Tip | No tracking! No ads! |
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 |
|---|
| By Tony Hansen Follow me on ![]() | ![]() |
Buy me a coffee and we can talk