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S19

Description: Plainsman raw firelclay

Oxide Analysis Formula Tolerance
CaO 0.33% 0.03
K2O 0.73% 0.03
MgO 0.49% 0.05
Na2O 0.31% 0.02
TiO2 1.04% 0.06
Al2O3 22.65% 1.00
SiO2 63.30% 4.74
Fe2O3 1.43% 0.04
LOI 10.30%n/a
Oxide Weight 406.56
Formula Weight 453.24

Notes

A fire clay mined at Claybank, Sask.

Related Information

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Typecodes Clay Other
Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically.
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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