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Materials for Ceramics

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Ohio #3 Fireclay

Oxide	Analysis	Formula
Al2O3	27.69%	1.00
SiO2	55.75%	3.42
K2O	2.96%	0.12
TiO2	1.99%	0.09
Fe2O3	2.28%	0.05
MgO	1.15%	0.11
LOI	8.17%	n/a
Oxide Weight		338.23
Formula Weight		368.32

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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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