Narco Fireclay
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.13% | 0.01 | |
| K2O | 2.20% | 0.08 | |
| MgO | 0.60% | 0.05 | |
| Na2O | 0.30% | 0.02 | |
| TiO2 | 1.75% | 0.07 | |
| Al2O3 | 31.20% | 1.00 | |
| SiO2 | 52.70% | 2.87 | |
| Fe2O3 | 1.84% | 0.04 | |
| LOI | 9.58% | n/a | |
| Oxide Weight | 296.58 | ||
| Formula Weight | 328.01 | ||
Notes
Low plasticity fireclay, good for sculpture. Very refractory (10% absorption, 12% total shrinkage at cone 10)
Related Information
Links
| 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. |
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