Rust blue

Discussion in 'Gunsmithing & Repairs' started by duginsky, Nov 14, 2010.

  1. duginsky

    duginsky Active Member

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    Can anyone weigh in on experiences with rust bluing? I am looking at the Mark Lee Express Blue #1, but wondering what others have used, which process or product(s) with this, as well as results.
  2. weezil_boi

    weezil_boi New Member

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    I have never had good results with rust blueing. But Ive used Brownell's Dicropan and got very nice deep blue/ royal purple hues. Not so great for a more modern firearm finish, but on an older shotgun or rifle... looks really pro. Its easy...

    Boil the gun, apply the Dicropan with a cotton swab, let it rust, then use a carding briush and maybe some wool. Reapeat to desired color. (this is very abbreviated process of course). Im no smith and it came out nice, so Im sure you could do it as well.

    I hope its OK that I cross post a link ( dont mean to break any forum rules), but try reading this for some info...

    rust blueing vs. Dicropan IM - TheFiringLine Forums
  3. MountainBear

    MountainBear Well-Known Member

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    I've done some really nice jobs with rust blue. But it is a long, very involved process. Either using a rust bluing cabinet or using a boiling water tank, butane torch, and carding wheel on a baldor arbor. Either way takes a good long while. The last professional rust blue job I did took almost five hours (it was the quick way) and 13 coats of the rust blue chemical...
  4. duginsky

    duginsky Active Member

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    Thanks, folks; this helps.
  5. madcratebuilder

    madcratebuilder Well-Known Member

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    Brownells sell a product called Belgian blue, it's a form of hot water rust blue.

    I did this barrel and cylinder in about one hour.

    before
    [​IMG]

    after
    [​IMG]
    [​IMG]
  6. duginsky

    duginsky Active Member

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    That looks fantastic! How did you do the prep?

    Thanks
  7. Velzey

    Velzey Well-Known Member

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    I second the Belgian blue, It's amazing stuff! And real easy to use.

    Just search for it via brownells website, And you can also see the instuction sheet,
  8. madcratebuilder

    madcratebuilder Well-Known Member

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    I stripped the old bluing with Naval Jelly then finished with worn 600 grit paper. I've read that to fine of finish does not take the bluing as well. This is something I'm going to play around with. The next re-blue I do well get a 1000 grit finish.
  9. duginsky

    duginsky Active Member

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    How did you address the cylinder chambers and internal corners?

    thanks!
  10. ogre

    ogre Active Member

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    Looks good madcratebuilder. Is it a reasonably durable finish?
  11. madcratebuilder

    madcratebuilder Well-Known Member

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    I super glue strips of sand paper to small pieces of shaped wood.

    It's as durable as any Ruger revolver I own. It's not a high gloss like a S&W. I'm not having any wear issues yet, but like any blue it well rub off at the high spots.