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Boro Room -- For Boro-related tips, techniques, and questions. |
2011-02-28, 1:42am
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Junior Member
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Join Date: Feb 25, 2011
Posts: 4
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copper fuming?
i was just wondering if anyone has tried fuming with copper? I know sometimes they use copper foil for stained glass and beads but never heard of fuming with copper. Can this be done? Are there any other materials you can use to fume beside gold and silver?
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2011-02-28, 7:01am
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Pyromaniac
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Join Date: Jun 27, 2006
Location: Out there on the interwebs
Posts: 1,784
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I think there is a toxicity issue - Even gold and silver require precautions, but many other metals are downright dangerous.
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Chris Scala
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2011-02-28, 11:38am
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Senior Member
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Join Date: Apr 15, 2009
Location: Far side of the screen
Posts: 412
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Quote:
Originally Posted by Bunyip
I think there is a toxicity issue - Even gold and silver require precautions, but many other metals are downright dangerous.
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Always a good point! I read on the melting pot awhile back about a guy who was using old pennies to fume with and getting some interesting results, I have never tried it myself though.
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2011-02-28, 2:25pm
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Alaska Boro
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Join Date: Dec 10, 2009
Location: Anchorage, Alaska
Posts: 1,065
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Give it a try with a piece of copper wire and see what happens. Make sure that your ventilation system is capable of removing all the fumes and report your findings.
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2011-02-28, 2:41pm
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ManBearPig
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Join Date: Jun 28, 2005
Location: Roanoke, VA
Posts: 8,540
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Do not try it under any circumstances. Fumes from copper are extremely toxic. Plus, all it does is turn black anyways...
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2011-02-28, 4:46pm
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Borovangelist
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Join Date: Jan 26, 2007
Location: Auburn, MA
Posts: 3,002
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I haven't fumed with copper, but I've used it inside and on the surface before, it doesn't always go black.
And don't go anywhere near the new pennies; they're mostly zinc and dangerous.
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-Tom
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2011-02-28, 7:20pm
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Senior Member
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Join Date: May 31, 2009
Posts: 368
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I mixed a color using Cu2O and the copper fumed the clear punty to a really nice pink/red. Keep in mind that this was after 20 minutes at near white heat.
I tried it with just copper on a rod. You can see that the copper is on their when its hot because it is fumey looking. It takes a long time to get enough on there to see it by it self, but you might try it on some colors.
Good ventilation!
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Melting boro with a National 3A and and two Devilbiss 5lpm 10psi concentrators.
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2011-02-28, 8:35pm
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It's about having fun!
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Join Date: Sep 30, 2010
Location: Arizona
Posts: 552
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Okay, this is way off subject but, my father in law told my husband to put some copper pipe in our fire pit because it makes cool flames. Oh boy. Would this be toxic? Does the fire pit get hot enough to worry about.?
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2011-02-28, 9:12pm
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Senior Member
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Join Date: May 31, 2009
Posts: 368
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I think you'll be fine. Especially if you are outside. Copper does make really cool flames. Green or blue depending on its oxidation state.
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Melting boro with a National 3A and and two Devilbiss 5lpm 10psi concentrators.
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2011-02-28, 9:54pm
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It's about having fun!
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Join Date: Sep 30, 2010
Location: Arizona
Posts: 552
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Thank you! We will see how it goes! Boys and their toys :c)
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2011-03-01, 2:19am
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OOoh it glows when it's
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Join Date: Nov 27, 2010
Location: Jonesboro AR
Posts: 19
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I have fumed with copper. A light fume gives a really nice rose color, and a heavy fume causes a rainbow luster effect that looks like niobium.
The problem I had with it is that it takes a LOT of copper to get any results.
As far as toxicity goes I assume that everything I'm working with is toxic and take ample precaution. Silver will turn you into a smurf, gold will eat your liver, and most colors have some type of heavy mettle in them.
I'm not sure of what type of structure copper forms, or how well it adheres to glass so I definitely wouldn't use it on smoking or eating/drinking utensils without doing some serious research first
I abandoned the idea after going through roughly two feet of copper wire to get the same rose color I was getting from 1/32nd of an inch of gold wire
Hope this helps
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2014-12-03, 11:40am
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Junior Member
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Join Date: Nov 23, 2014
Posts: 2
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I haven't looked into boro Ruby, but in the hot shop, there is a colour called Copper Ruby, super high in copper. turns clear when you work and strikes during annealing. may be a less dangerous way to use copper.
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