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Description: Dark Plastic Fire Clay
Oxide | Analysis | Formula | |
---|---|---|---|
SiO2 | 45.70% | 2.49 | |
Al2O3 | 31.10% | 1.00 | |
Fe2O3 | 6.10% | 0.13 | |
MgO | 0.23% | 0.02 | |
Na2O | 0.03% | - | |
K2O | 0.11% | - | |
CaO | 0.02% | - | |
TiO2 | 1.70% | 0.07 | |
LOI | 15.30% | n/a | |
Oxide Weight | 278.75 | ||
Formula Weight | 329.10 |
Was used up until the 1970s but has not been available since. This material was popular since it fired to a very warm brown in oxidation and deep brown in reduction.
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Cone 10 reduction (top), cone 10 down to 6 oxidation below that (top to bottom). A refractory material.
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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