Copper - creating oxidation and patina master thread

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Original Post

For those who wish to share, why don't we start a main thread on copper oxidation and patina - ing? Is that a word? They we can just refer to one thread when someone asks...every five minutes. LOL

Unfortunately I have nothing to add myself, I prefer my copper clean and bright.

Posted at 8:13am Apr 27, 2008 EDT

Responses

To keep your copper clean and bright soak in lemon juice for about 15 to 20 min, rinse, then dry....beautifully clean and shinny again :~)

I love to fire my copper to create a beautiful array of colors...

examples;
www.flickr.com/photos/designbylara/699493401/in/set-72157594507855746/
www.flickr.com/photos/designbylara/376907904/in/set-72157594507855746/
www.flickr.com/photos/designbylara/779310045/in/set-72157594507855746/

To fire patina your copper simply run your torch over your piece for the final step in making your piece. You can create different looks by running the torch different ways such as, back and forth, in circles, etc.

Once you have the look you are going for, or like what you see, put the piece on a glass or heat safe container/board and put it in the freezer.

I know it sounds crazy, but it works! It will, for some reason unknown to me, keep the colors from changing or becoming browned from the natural patina process.

The pieces I have shown as examples sat in the open for several months to even a year without tuning.

Lara

Posted at 8:55am Apr 27, 2008 EDT

anyone else with copper tips?

Posted at 1:30pm Apr 27, 2008 EDT

Maybe this thread would do better if it was moved to Techniques & Materials?

Posted at 1:49pm Apr 27, 2008 EDT

I jave just started using a torch to patina my copper and have only done it with wire thus far. Not having great results getting color....can't wait to see if anyone else has tips. I have just been hitting the metal with the lick of the flame and can see it turn almost a light blue but threw it in wtaer and it turned dark copper...just looked aged.

Posted at 1:56pm Apr 27, 2008 EDT

I use liver of sulphur to darken/patina mine. Found it online through Dick Blick. Somewhere I've got a tutorial in a magazine, not sure if it's step by step wire or another beading magazine, that talks about getting a turquoise blue patina by suspending your pieces over a shallow pan of ammonia and covering it for a period of time. If I come across it I'll be more specific. I've not tried it myself at this point as I don't have anything current I want to turn blue, but the tutorial looks effective.

Posted at 2:02pm Apr 27, 2008 EDT

rubygirl says

There is a great tutorial on heat-coloring copper by Catherine Chandler on Etsy Metal's blog.
etsymetal.blogspot.com/2008/03/heat-coloring-copper.html

Posted at 2:06pm Apr 27, 2008 EDT

Thanks for keeping this going folks! I posted and ran to a show earlier. Now I'm posting and running to my BF's for a steak dinner.

I totally put this in the wrong forum didn't I? Ooops.

Lara I can't wait to try your method of Fire and Ice. I read something briefly about burying in sawdust with salt and something else? I forgot.

Posted at 4:46pm Apr 27, 2008 EDT

Bopping this up.

Posted at 7:50am Apr 28, 2008 EDT

i love buying pure citric acid to use as a pickle.

most online places make you ship pickle USP and the shipping is OUTRAGEOUS.

this is far cheaper.


i like LOS as well, i use true black with a brush since it developed instantly, but it needs to be sealed, which LOS does not.

i;m eager to try the soak in salt water/fume with ammonia technique hat was in the "blue" issue of beads style (not sure what month.

Anyone done this with good results?

Posted at 8:06am Apr 28, 2008 EDT