How to deal with cosmoline...please!

This is a discussion on How to deal with cosmoline...please! within the General Firearm Discussion forums, part of the Related Topics category; Anyone have a good idea how to (quickly and easily) remove this godawful gunk? I've recently gotten some WWII items that came so thickly packed ...

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Thread: How to deal with cosmoline...please!

  1. #1
    Senior Member Array Scot Van's Avatar
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    How to deal with cosmoline...please!

    Anyone have a good idea how to (quickly and easily) remove this godawful gunk? I've recently gotten some WWII items that came so thickly packed in the stuff that I still haven't even taken the time to clean 'em all. I know it works to preserve the gun, but do they have to make it so...so...icky?
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    Ex Member Array Ram Rod's Avatar
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    Plenty of hot water and dawn dishwashing liquid? Throw 'em in the bathtub?

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    Distinguished Member Array C9H13NO3's Avatar
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    my sig magazines were packed in cosmoline. I just used tons of rags and elbow grease.
    -Ryan

    All that is necessary for the triumph of evil is that good men do nothing.

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    Senior Member Array walvord's Avatar
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    My SKS came coated in that stuff. I feel your pain - lots and lots of elbow grease.
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    Gasoline is highly effective but is probably no longer "politically correct" for cosmoline removal.

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    VIP Member Array matiki's Avatar
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    Quote Originally Posted by Ram Rod View Post
    Plenty of hot water and dawn dishwashing liquid? Throw 'em in the bathtub?
    +1. I've got a few WWII era rifles gifted to me by a friend that's a collector. He and I both use (nearly) boiling water and dish washing soap. Works like a charm.
    "Wise people learn when they can; fools learn when they must." - The Duke of Wellington

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    Member Array windowman2's Avatar
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    Spray brake cleaner worked well for me and is fairly inexpensive. Use it outside!

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    Mineral Spirits AKA Paint Thinner and/or Lacquer Thinner and a paint brush.
    Mineral spirits can be had in odorless.
    Lacquer thinner is a higher solvent and works fast but it's pretty stinky.
    It will all just spill off. You can soak all of the small parts..take them out brush them with the brush and then wipe them off with a clean rag.
    Keep the lacquer thinner off any varnished wood stocks or grips.
    Best to do it outside.

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    Member Array tflhndn's Avatar
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    +1 on the gasoline... Just don't blow youself up.

    Solvent sinks work well and are less flamable :)

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    Member Array rex03's Avatar
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    Used brake cleaner in the Military. We would have parts with this stuff all over. Spray the brake cleaner, and your good to go.. Be safe
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    New Member Array jefb's Avatar
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    I have used wd40. Best degreaser I have ever used.

    Really on a new printing press I used WD40 to get cosmoline off the cylinders. We used it as a general degreaser and cleaner.

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    Lacquer thinner and one of those 1" Chinese Bristle cheapo paint brushes always worked best for me.
    I've never tried WD40.
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    VIP Member Array raevan's Avatar
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    If you want to keep pipes from plugging up ,don't clean it in your bath tub. Get a 5 gallen or larger bucket as drip bucket to catch all run off, regardless as to what chemical you use. Note: some chemicals are poisonous to pets. keep off ground and dispose of properly. There are som other threads that discuss this subject, probably under rifles. Good luck.

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    Some of the others have posted some good ones. I like mineral spirits or......

    Easy Off oven cleaner!
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  16. #15
    Member Array carbon's Avatar
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    100LL works great so does engine degreaser

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