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Creating a Patina on Brass mods?

Discussion in 'Cosmetic Mods' started by PinoyBoy, Sep 8, 2013.

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  1. PinoyBoy

    PinoyBoy Super Member Verified Member ECF Veteran

    Feb 4, 2013
    WA State, USA
    One of my mods is brass and I was wondering if it is safe to get a patina going on it? Has anyone done something similar to this? I've been looking at various mod picture threads, and the only patina I've seen are the dull brown looking ones.

    I'm trying to find a way to get this greenish-blue patina similar to this:

    [​IMG]
     
  2. Dusif

    Dusif Super Member ECF Veteran

    May 21, 2013
    Denmark
    My granddad once told me how to make this...
    Apparently you can do it by rubbing it with some acid (cant remember what type tho)...
    The man used to be a blacksmith so he knows his metals but if its actually true or not i cannot say since he's an old man and has been known to tell a white lie or two... But to me it seems legit...


    Sent from my iPhone using Tapatalk - now Free
     
  3. williebb123

    williebb123 Ultra Member ECF Veteran

    i know copper flashing you can use a fine sandpaper and wipe it down with vinegar and it will give it the blueish patina , i guess since its brass if all fails buff it back out to the shiny brass but what ever you do you will have to put several coats of clear coat on it to keep your hands from rubbing it off might want to do a utube search and see what comes up
     
  4. oldbikeguy

    oldbikeguy ECF Guru Verified Member ECF Veteran

    That looks like copper sulfate
     
  5. williebb123

    williebb123 Ultra Member ECF Veteran

  6. entropy1049

    entropy1049 Super Member Verified Member ECF Veteran

    For green/blue patina on brass: Spray the piece to be patina'd and suspend over a pool of 2 parts white vinegar, 1 1/2 parts non-detergent ammonia, and 1/2 part non-iodized salt. Cover (I use a large ziplock) and place in a warm and humid environment. After 24 hours or so, rinse with clean water, dry, and seal with carnuba wax or Tung oil. Easy Peasey.

    patina.jpg
     
  7. PinoyBoy

    PinoyBoy Super Member Verified Member ECF Veteran

    Feb 4, 2013
    WA State, USA
    Thanks for the replies guys!

    I just realized that all of the methods I've seen and been given might get the insides and the threads oxidized, which I do not want. I'll keep the advices given here in mind. I'll try to create a makeshift plugs out of whatever.

    Thanks again :D

    PS: nice mod @Entropy1049. That's the exact look I've been looking for.
     
  8. Crash Moses

    Crash Moses Ultra Member Verified Member ECF Veteran

    Nov 30, 2012
    Lansing, Michigan
    Spray it with what? And how long do you leave it suspended over the pool before covering it?
     
  9. entropy1049

    entropy1049 Super Member Verified Member ECF Veteran

    Sorry about the delayed reply. Just now noticed your question.

    Spray with the solution you've mixed in the bowl. Place the large bag over the pool and suspended piece.
     
  10. jarreddizzle

    jarreddizzle Super Member Verified Member ECF Veteran

    Aug 2, 2013
    Oxnard, CA, USA
    Or just get a copper mod and let it get yucky
     
  11. Richard75

    Richard75 Super Member Verified Member ECF Veteran

    Nov 23, 2012
    Pennsylvania
    I'll chime in and say that there are rumors out there (mostly among gun enthusiasts, but I think it's a valid concern) that ammonia weakens brass and can contribute to cracks and breaks. The thought is that ammonia dissolves the copper in a brass alloy. Chemically, ammonia does dissolve copper, but it's still largely unknown how it treats brass. I just say better safe than sorry.
     
  12. ceejay

    ceejay Super Member Verified Member ECF Veteran

    Feb 26, 2010
    California
    Looks nice but is the threading and inside tarnished too? I assume that would degrade performance
     
  13. StrappedKaos

    StrappedKaos Moved On ECF Veteran

    May 16, 2013
    Raleigh,NC
  14. Apostlyte

    Apostlyte Senior Member Verified Member ECF Veteran

    Feb 14, 2014
    Nortampton, PA
  15. blueGrassTubb

    blueGrassTubb Ultra Member Verified Member ECF Veteran

    Mar 21, 2014
    The Bluegrass
  16. classwife

    classwife Admin
    Asst Classifieds Mgr
    Ask The Vets Mgr
    Admin Verified Member ECF Veteran

    Supporting member
    Moved to the Modding Forum - Cosmetic Mods from APV Discussion :)
     
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