If you get it too hot or reapply more than 4 times you will start to see a steely blue gray. with a good even heat, spray, and proper prep work the finish will be a tough one to beat.
Heat the surface to an even temperature if possible using a patina torch 200 degrees TOPS! the more evenly heated the piece is the better patina you will get, trust me, take your time on this one it has been my experience that if you don't get the results you are looking for on the first 3-4 tries you will start to see areas of the finish peeling off. I spray it on with a Paint Sprayer (HVLP) at 20 psi and a 1.4-1.7 nozzle on the gun. I mix the solution with distilled water, 50/50 for browns, 100% for blacks. Both do a good job of etching the metal and providing a superior surface to reapply an even, adherent patina. I will usually strip the original patina with Muriatic Acid or Soda blast it off. I use Birchwood Casey M-24 liquid solution. Hi, on a number of occasions I have had to turn large copper sculpture black and varying shades of brown as well. I also see green copper roofs where rubbing tree branches or a constant drip from the floor above generate brown areas.Ī. but if you find an old penny in the slats of a boardwalk where nothing has been rubbing it, it will be green. For example, you never see green pennies in circulation, only brown ones. One thing to recognize about the difference between the green and brown patinas is that the green is less abrasion resistant and durable. It is usually better to buy a commercial patinating solution that sort of 'paints' on and which already contains the necessary copper and reaction ingredients to offer the finish you want. The problem is that there are different copper grades, brass grades, manufacturing methods, heat treatment histories, etc., and it is difficult to predict exactly how the copper and other metal components will react with the vinegar & salt to produce various copper salts like copper acetate. We other readers don't know your artistic ability and craft experience but kitchen ingredients are probably either for highly experienced artists or for very general work - not for meticulous work and carefully examined articles like lamps. Link - as an Amazon Associate, earns from qualifying purchases)Ī. How do I find the answer to your question.which is my question too.except I want to give a patina to an outdoor copper fountain.which is shiny and really needs "aging'.thanks. I've heard local guys talk about these natural solutions, but do not want to ruin the expensive lamps or get a black finish. Will a weak vinegar -water solution (or salt water solution?) sprayed on the lamps do the trick? How about vinegar AND salt in water. I'm from the East Coast and love the blue-green copper roof colors in Boston and Providence and would like to emulate them. I want to remove the fingerprints, then speed up a "green" patina finish, not the dull copper brown we get here in AZ. A couple of the lamps have fingerprints from whoever packed them visible as a brown/charcoal color. We are in Phoenix Arizona, and just installed some beautiful copper landscape lighting. Check them outĪpril 2019 State of the Sub Discussion and SummaryĢ1-26 Mar 19 Baselworld 2019 Discussion MegathreadĤ Dec 18 - AMA with Arial Adams & Matt Smith-Johnson for a new LE watch collaboration with Laco.Q. The TAG Heuer subreddit has been reactivated and is now live.Updates to the Buying Guide have begun as well! Please come and suggest watches within the specific budget and style ranges.Let's hear your thoughts on anything relating to this brand! Personal anecdotes, opinions, technical articles, and everything else are all accepted and encouraged. We are in the process of updating our Brand Guides.
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