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Engobes were applied to the insides, and up over the rim, of these M340 pieces at the leather hard stage. They were then bisque fired, clear glazed and fired to cone 6. On the left is L3954B, no zircon was added. The one on the right is L3954S2, in has 20% Zircopax. These are part of a fitting effort to match the firing shrinkage of the body, M340, to a base engobe (and colored versions of it).
Recipes |
L3954B - Cone 6 Engobe (for M340)
Dry and firing shrinkage fitted to Plainsman M390, M340 |
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Glossary |
Engobe
Engobes are high-clay slurries that are applied to leather hard or dry ceramics. They fire opaque and are used for functional or decorative purposes. They are formulated to match the firing shrinkage and thermal expansion of the body. |
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