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Thread: Preserving acrylic paints

  1. #1
    Join Date
    Nov 2012
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    Default Preserving acrylic paints

    Wondering if anyone has a magic formula for preserving the little bottles of acrylic paint. I know they don't cost that much but once you build up a collection of colors they add up. As everyone probably knows, it only take a few months before the skin over and get all clumpy, basically worthless. Even the ones I use most often will do this. Appreciate any advice.
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  2. #2
    Join Date
    Oct 2009
    Location
    Ohio
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    Default

    Try replacing the air in the container by using compressed air from one of those cans of duster, for blowing out keyboards. It's not just air and seems to help, I don't know if it CO2 or what. What I do is stick the tube in the can with the lid cracked a little and let it blow in for a few seconds, pending on the size of the can that has the (bad) air. Hope this makes sense.
    CarverJerry

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  3. #3
    Join Date
    Aug 2009
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    Whidbey Island, WA
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    Default

    What Jerry Said- or another way is to remove the air by squeezing the tube a bit to get all the air out before you put the cap back on... either way works to keep oxygen from starting the process of hardening the paint.

    Hope this helps,
    Lawrence

  4. #4
    Join Date
    Sep 2007
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    Northern Colorado
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    Default

    You could also store the bottles upside down....
    RingNeckBlues
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  5. #5
    Join Date
    Dec 2014
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    Kaukauna, Wisconsin
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    Default

    The stuff in the duster can is nitrogen. It contains no moisture, which makes it a great computer cleaning.

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