On Monday, March 2, 2015 at 1:18:05 PM UTC-5, Diane wrote:
I want to try to fire ceramic transfers onto sheet metal, aluminium in
particular. These normally fire to 600-800 degrees centigrade onto glass
and ceramic. Do you think it would work and what would be the top
temperature I could try?


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You do know that aluminium melts at about 660 degrees C.

Dan