Copper Oxide, Black


SKU: SKU 86 Category:


Copper Oxide Black – CO2O4CoO (m.p. 2100o F/1149o C) – a common form of copper in glazes (2%-5%). It is a strong flux used as a colorant to produce greens in oxidation and reds in reduction. Other colors are turquoise in Soda based glazes, yellow-greens in Potash, and blue-greens in Barium. Copper Carbonate can be substituted for Oxide if the amount is doubled.

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1/2 lb, 1 lb, 5 lb, 10 lb, 25 lb