Thread: Polishing Brass

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    Default Polishing Brass

    Hey all, constant lurker, inconsistent poster.

    I have a question, did the search and couldn't really find an answer.

    I have just gotten into getting old and/or antique fire extinguishers. I am having some issues though. I use Brasso and the extinguishers are coming out well, but there are always some spots that need that extra oompf to remove some buildup (blackness, tight corners, imperfections, etc)

    Is there any other type of mixture or compound I can use to cut through the crap?
    "We had trouble putting out the fire because the house and everything in it was burning at the time"---The Chief while speaking to the press--no lie

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    Quote Originally Posted by PeteThor813
    Hey all, constant lurker, inconsistent poster.

    I have a question, did the search and couldn't really find an answer.

    I have just gotten into getting old and/or antique fire extinguishers. I am having some issues though. I use Brasso and the extinguishers are coming out well, but there are always some spots that need that extra oompf to remove some buildup (blackness, tight corners, imperfections, etc)

    Is there any other type of mixture or compound I can use to cut through the crap?

    Phosphoric acid and 0000 steel wool! You can get both at a paint supply company.

    It'll look (better than) brand new! Guaranteed!




    Kevin
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    IAFF Local 2339
    K of C 4th Degree
    "LEATHER FOREVER"
    Member I.A.C.O.J.
    http://www.tfdfire.com/
    "Fir na tine"

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    won't the steel wool scratch it up though? Brass+steel wool sounds bad.
    "We had trouble putting out the fire because the house and everything in it was burning at the time"---The Chief while speaking to the press--no lie

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    Quote Originally Posted by PeteThor813
    won't the steel wool scratch it up though? Brass+steel wool sounds bad.

    0000 steel wool (super fine) will polish it to an absolutely brilliant shine. Do not bear down with all your strength, but use a moderately firm pressure and let the phosphoric acid do the work. Keep it wet. If it dries before it is rinsed, it must be cleaned/polished again.
    Once the oxidation and crud is gone and the brass and copper are gleaming, rinse thoroughly with clean water. Work small areas and rinse as you go. Dry immediately and apply either a lacquer finish, or a good quality metal wax like "Mother's" brand.

    I prefer waxing to lacquering...It can easily be re-cleaned and will not flake like lacquers have a tendency to do over time.

    I have done several old soda-acid extinguishers, and they look awesome!

    From start to finish on a seriously crudded up can takes about 2 hours.




    Kevin
    Fire Lieutenant/E.M.T.
    IAFF Local 2339
    K of C 4th Degree
    "LEATHER FOREVER"
    Member I.A.C.O.J.
    http://www.tfdfire.com/
    "Fir na tine"

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