This may include anything from a kiln to a simple hand held torch.
Copper clay torch firing.
Switch on the torch and direct the flame on the piece at a 45 degree angle from a height of about 2 inches.
Firing copper clay you need a kiln base metals oxidize copper will get black firescale when heated to sintering temperature 1700 1750 1800f.
Only 30 minutes at 920 c or 90 minutes at 850 c or 10 minutes with a torch.
Torch firing place the dried piece on a stainless steel mesh.
Depending on the type of metal clay you have from original silver metal clay to copper metal clay there are a number of options for firing it.
Award winning artist lisa pavelka shares terminology techniques and safety tips for firing metal clay with a butane torch.
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One other firing schedule is 800 c 1472 f for 2 hours which is preferable when prometheus copper clay is combined with pbc.
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Some commercial copper clay with very fine particle size can be torch fired if the pieces are small i ve never had much luck with a torch.
I have had success with pieces that weigh ten grams or less.
Butane torch micro torch firing guidelines use a small butane gas torch to fire art clay copper projects.
Use a small butane gas torch to fire art clay copper projects.
The prometheus copper clay.
Here are some general guidelines for some of the types of equipment you can use for firing metal clay.
Place the completely dry piece on a firing brick.
Place piece on a firing brick and heat until cherry red much hotter than silver needs for at least 5 7 minutes depending on size.
You can torch fire smaller art clay copper pieces keep them under 35gm and ideally not much bigger than a 50p coin as anything bigger is impossible to keep evenly heated for the whole firing.
Prometheus copper clay is an extraordinary medium that will transform your imagination into pure copper fine art and jewelry objects.
Butane torch firing guidelines.
Switch on the torch and direct the flame on the piece at a 45 degree angle from a height of about 2 inches.