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Double-layered on top half. Fired with the PLC6DS schedule.

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This melt fluidity tester demonstrates that the cone 6 G1214Z recipe fires highly melt fluid, much more than one might expect from a matte glaze. When applied as a thin layer on pottery it does behave as a matte glaze. A quick look at its oxide chemistry reveals the reason: High CaO and a low Si:Al ratio. Unfortunately, many matte glazes are such simply because they are not melted enough. Others have to much SiO2 and require very slow cooling in the kiln to achieve results.
| Recipes |
G1214Z1 - Cone 6 Silky CaO matte base glaze
This glaze was born as a demonstration of how to use chemistry to convert a glossy cone 6 glaze into a matte. |
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