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patina

Posted: Fri Mar 13, 2015 12:46 pm
by s.wood
At last fall's conference Gordon Williams shared a patina solution he made up to put a copper finish on steel. Does anyone have the recipe he gave out?

Re: patina

Posted: Sat Mar 14, 2015 9:18 am
by bbrown
Copper sulfate (Root killer)buy at hardware store
1 cup to gallon of water
Copper plates CLEAN steel
My notes say "use respirator"

Old copper penny patina:
2 parts copper sulfate mix,1 part muratic acid,7 parts hydrogen peroxide.
Dip or spray *respirator*

Re: patina

Posted: Mon Mar 16, 2015 8:31 am
by Marty.Hicks
BME Labstore in Little Canada also has copper sulfate. 4 oz. $5.40, 16 oz. $15.