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In theory, these stains are supposed to burn away (decompose) by cone 10, especially cone 10 reduction. But they are alive and well! Although not as vibrant as they would be at lower temperatures. The first of each of these pairs (e.g. 1 & 2, 3 & 4, etc) has 8% stain while the other has 8% stain plus 2% Zircopax (except for the orange and yellows which have 10% stain). The 2% Zircopax was added to prevent bubbling, with an associated orange peel surface, a common occurrence with these stains in oxidation firing. But it appears the zircon is not needed in reduction. #1-8 are Cerdec colors, #9 and #10 are Mason #6021. The clear glaze base is G1947U. The firing schedule is C10RPL. The porcelain is Plainsman P700.
Materials |
Mason 6021 Red Stain
An encapsulated red stain, it has proven better than any other red we have ever tried for glazes. And it works in bodies. |
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