Rust Converters
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Thread: Rust Converters

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    Adamq's Avatar
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    Rust Converters

    Wasn't sure where to put this, but I was wondering if anyone has used any rust converters on projects and if so have they worked? I have a 425 that I am working on that is kind of rusty and I figured if I could clean up the majority of it and then use something to convert the rest, just like the surface, without sanding and grinding I would like to try it.

    Thanks for any info

    Adam

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    Fran_K's Avatar
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    I have used the phosphoric acid type which are wonderful to make something look good but using it before painting, at least rustoleum products and brush didn't do enough to be worth the bother at least as I recall.

    Fran

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    Por 15

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    RRMCCABE's Avatar
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    I have done a lot of muscle car restoration work over the years and have had great luck with Mar-Hyde.

    There are spots you cant get to and this stuff works great. Sprays in white and turns to a black primer with the "rust conversion" is done.

    I have several long term projects that have been pushed to the back burner and put in storage and they held up great.
    1967 John Deere 110 (round fender) tiller & Model 80 Cart
    2010 John Deere 2305, 200cx loader and 62" MMM, 54" blower, I-Match

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    75 gallon Rubbermaid stock tank
    5 pound box of washing soda
    some lye (if you want to be kind of aggressive about it)
    some scrap metal screening
    small battery charger

    Connect black clamp (negative) to part
    Connect red clamp (positive) to scrap screening

    eat away rust

    About.com: http://www.fordgarage.com/pages/electrolyticderusting.htm

    I think I had every piece of sheet metal from my 1954 40U in the tank at least once as I was rebuilding it.
    Andy B.

    1966 110 Lawn Tractor
    2012 2520 - DELIVERED 27APR2012!!!

    Tractor that I used to own - 1954 40 Utility
    KB3WPN

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    56FordGuy's Avatar
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    I'm doing the electrolysis process that Andy described right now on an old, siezed adjustable wrench. It really works. It can be slow, but it does work.

    I've never heard of the lye thing. What's the measurement for how much to add, and how much does it speed up the process?
    -Blake

    Your mileage may vary.

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    What the lye really does is help remove grease and paint. It doesn't do any of the rust conversion.

    As for amount, a jug of Drain-O or Red Devil crystals. I never measured anything, just dumped it in.

    I will add, the lye will make the mixture somewhat caustic. The pure Washing Soda mixture is relatively safe (it won't hurt your skin and I never saw any ill affects from dumping it on the ground). Once you add the lye, you should wear gloves, and it will probably kill grass for a few weeks. If you get most of the grease off, and aren't worried about taking off paint, there's no reason to add the lye.

    You can use any chunk of steel for the positive electrode. I used to weld up a grid of 1" strips of sheet metal. I've also used old grill and oven grates. Anything laying around with iron in it.
    dieselshadow likes this.
    Andy B.

    1966 110 Lawn Tractor
    2012 2520 - DELIVERED 27APR2012!!!

    Tractor that I used to own - 1954 40 Utility
    KB3WPN

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    56FordGuy's Avatar
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    I'm using a baking pan bent into a U shape right now, pretty small scale. About 5 gallons of water.

    Thanks for the information on the lye. Didn't know there was a way to remove grease and paint with this process.
    -Blake

    Your mileage may vary.

    JD 6410
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    YouTube- Life in Wyoming

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