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    Username Post: Blade coating...        (Topic#920462)
    Master Member KnifeNut!
    03-02-12 12:49.45 - Post#2448426    

    Hi Bernard, and all,

    Over the years I've bought several fixed
    blade knives that are in relatively good
    condition. N

    Master Member KnifeNut!
    03-02-12 13:10.22 - Post#2448434    

        In response to bandog10

    Let's try this again...
    I hit the wrong button, and somebody read this before I could edit it...sigh...

    So, over the years, I've purchased a few fixed
    blade knives 100 years old, +/-...
    The blades are in good condition. Not eBay "mint".., but pretty good.

    They seem to have been dipped in some sort of "varnish" to protect the carbon steel. It seems
    to have worked well.

    What is it?

    Master Member KnifeNut!
    04-30-12 03:15.45 - Post#2466556    

        In response to bandog10

    Bandog10: while I have never tried it on knives, I did find that a spray can of alloy wheel protection varnish worked well and unobtrusively on metal objects - specifically mid 19thC muzzle loaders!

    I also used it to protect the crazed enamel face and brass, hands of my grandfather clock. After thirty years, I have not had to renew the coating.
    Master Member KnifeNut!
    05-02-12 11:01.19 - Post#2467170    

        In response to Martin

    Hi Martin,

    How are you, my friend?

    I actually went thru the knives over this past weekend. All, that have this coating, date from 1950ish, back to the very early 1900's. All are European, or Scandinavian, made. The only exception is a Collins #18 that dates somewhere between 1890ish to the mid 1930's.

    I have a feeling that whatever this protective coating is, it was applied to protect the carbon steel from salt water. All would have been shipped to the U.S. by sea, back then.

    The Collins #18 likely has the coating because they did most of their business in Central, and South America.

    Whatever it is, it seems to have worked well. None of the blades have any spotting, or rust, where this coating is still present.

    Master Member KnifeNut!
    05-05-12 03:23.10 - Post#2467871    

        In response to bandog10

    Could be some compound like cosmoline. We used a slush to coat cast iron after surface grinding. It dries to a grease like material and can be removed with mineral spirits.
    Master Member KnifeNut!
    05-11-12 03:03.31 - Post#2469478    

        In response to Beawolf

    +1 on Cosmoline.
    If it is left unattended over the years it dries to a brittle varnish looking coating.

    Mineral spits and or a little heat brings it back to it's "Vaseline like" consistency.

    I use a small fabric steamer when dealing with it.


    Big Mike
    Master Member KnifeNut!
    05-11-12 04:17.08 - Post#2469499    

        In response to MikeGrasso

    +2 on Cosmoline.

    I've seen it get like that on New Old Stock motorcycle parts.

    I use a solvent wash to deal with it.

    I'd be more gentle on less robust substrates.

    Big Mike

    “Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt.”

    ― Sun Tzu, The Art of War

    Semper Vigilis


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