Copper Clay Firing Schedule

Each clay for your own kiln.

Copper clay firing schedule.

It is a incredibly reliable clay and the clay we recommend whole heartedly to anyone new to base metal clay. Cyprus copper clay firing guide. Torch firing place the dried piece on a stainless steel mesh. Place the piece directly on the firing shelf.

These changes are defined by changes in the kiln atmosphere or the firing ramp. Place piece no larger than us silver dollar and 25g weight on a firing brick and heat until cherry red for at least 7 minutes depending on size. Follow the two phase firing schedule below if you plan to enamel your piece. Ramp at 500 f hour 278 c hour then hold at 560 f 293 c for 15 minutes.

Different product and may have a different firing schedule. You shape and work with art clay copper just like normal silver clay. This initial firing burns out all the binders which seems to improve the sintering in the second phase. For pieces thicker than 3mm.

Phase 1 open shelf fire for pieces 3mm thick or less. Always fire copper components first to copper firing schedule. Pieces will be black and brittle after this firing. Fire in a kiln.

Please remember this firing schedule is based on a cold kiln and thickness of the piece also is something you need to work out. The firing schedule is the set of pre determined stages the kiln moves through from the time it is turned on to the time it has either turned off or has cooled enough to unload. If a piece is any thicker than about 5 6mm thick you may need extra time due to the thickness of the. The already sintered copper piece and the still soft silver clay are placed together so that they will lock together during a second firing at the silver firing schedule.

The two metals do not sinter together. Place the piece directly on the firing shelf. Fire on an open shelf no carbon ramp speed 500 temp 560 hold 15 min. Quench pieces as outlined above.

Offered in lump wet form this clay is waterbased air dries and fires to 999 pure copper. Art clay copper only requires a 30 minute kiln firing time and you don t need to use any activated carbon or firing pans you can even fire it with a torch. Fire in activated coconut carbon. To fire art clay copper with a butane torch.

I do a two phase firing.