Firing copper clay you need a kiln base metals oxidize copper will get black firescale when heated to sintering temperature 1700 1750 1800f.
Copper clay torch firing.
Butane torch micro torch firing guidelines use a small butane gas torch to fire art clay copper projects.
Place the completely dry piece on a firing brick.
Here are some general guidelines for some of the types of equipment you can use for firing metal clay.
Switch on the torch and direct the flame on the piece at a 45 degree angle from a height of about 2 inches.
I have had success with pieces that weigh ten grams or less.
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.
Only 30 minutes at 920 c or 90 minutes at 850 c or 10 minutes with a torch.
The prometheus copper clay.
Torch firing place the dried piece on a stainless steel mesh.
Place the completely dry piece on a firing brick.
Switch on the torch and direct the flame on the piece at a 45 degree angle from a height of about 2 inches.
We are now pleased to present you the new generation rapid and low fire copper clay.
Prometheus copper clay is an extraordinary medium that will transform your imagination into pure copper fine art and jewelry objects.
Butane torch firing guidelines.
Find all the jewelry supplies you need to create complete small.
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.
I have had success with pieces that weigh 10 grams or less.
One other firing schedule is 800 c 1472 f for 2 hours which is preferable when prometheus copper clay is combined with pbc.
Use a small butane gas torch to fire art clay copper projects.
Award winning artist lisa pavelka shares terminology techniques and safety tips for firing metal clay with a butane torch.
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.