Copper carbonate fuming

Thursday 23rd October 2014

And example of how insight-live.com/material/236">copper carbonate fumes during firing. The white sample on the left was near the copper sample, at around 1500F the fumes discolored its facing edge. These are permanent, they do not fire out but get darker with increasing temperature (this is 1950F). The kiln shelf was also discolored outward about half an inch from the copper specimen.

Pages that reference this post in the Digitalfire Reference Library:

Copper Carbonate Basic, Copper Carbonate, Black ash glaze for 20% raw metal pigments: Suitable for functional ware?

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