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Ingredients

Ingredient Amount
Talc 3.30
Whiting 14.29
Ferro Frit 3134 13.33
Kona F-4 Feldspar 46.16
Edgar Plastic Kaolin 6.40
Silica 16.52
Add Amount
Tin Oxide 2.24
Zinc Oxide 4.37
Black Copper Oxide 1.07

Instructions

Like most copper red glazes, if this is fired in oxidation it will be green rather than red (because the copper will not reduce and will therefore refract light differently).

Published in "My Way with Clay" by Rick Malmgren, in the Oct 2000 issue of Ceramics Monthly.
If you're firing this glaze in reduction to acheive a red color, it benefits from being covered with clear glaze; it helps reduce burning out of the red if there are variations in the atmosphere.

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