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Copper Oxide (Red) - 1 lb.
Cu2O. (100% Cu2O) Red copper is a reduced form of the normal black copper oxide (CuO). In normal oxidizing firings it will transform to the cupric oxide form (CuO) to produce the normal green coloration in glazes and glass. If fired in reduction, it will maintain its Cu2O structure to produce the typical copper red color. Source: American Chemet Corp. Note: Red copper oxide is usually surface coated to prevent oxidation. For this reason, it may be very difficult to get the material to mix with a glaze slurry. If so you must soak the material in alchohol to wash the surface or add a few drops of deterget to the glaze mix. Source: Digital Fire.
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