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Plastic coating to go over paint?

Discussion in 'Decorating and Painting' started by Scramble, 10 Feb 2010.

  1. Scramble

    Scramble

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    I've painted the heads of some copies of my front door keys so that they're recognizable within a large bunch of keys (my local keycutter says they don't have any novelty patterned key in that form of key yet).

    But I suspect that the paint may eventually wear off as keys rub against each other so often. I was wondering whether there was any sort of plasticy laminate-type clear coating that anyone knows of that I could put over the paint to make it stronger and better able to withstand the constant bashing it will get?
     
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  3. wallcoatingsbloke

    wallcoatingsbloke

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    Hi.

    May i suggest using either spray on "Clear lacquer" which is used for cars, to protect and shine the paint after spraying it, you can find it amongst the spray paint in halfords etc, or go to an ART AND CRAFT supplies shop, who should be able to reccomend a clear fixative or sealing spray, normally used for art, to preserve the paint underneath.

    good luck.

    :)
     
  4. LJW61

    LJW61

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    Depends on what type of paint you used to colour them.. Oil-based paint will pickle if you sray it with clear laquer from a can..
     
  5. Scramble

    Scramble

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    Thanks for the replies.

    The paint I used was Crown's matt emulsion for walls and ceilings.

    For a primer I used International's special metals primer.
     
  6. LJW61

    LJW61

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    Maybe you could dip them in some polyurethane varnish?
     
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  8. Scramble

    Scramble

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    Could be worth a try, but all the polyurethane varnish I've looked at says to use it on wood only.
     
  9. LJW61

    LJW61

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    Itll dry on anything.. You couldalso say keys shouldnt be painted with emulsion ! :evil: ;)
     
  10. conny

    conny

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    Try some clear nail varnish off the wife/girlfriend.
     
  11. Scramble

    Scramble

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    Okay, I shall go for either the car lacquer or the polyurethane varnish.

    Only question now is how long should I let the paint dry for? So far I've let it dry for 6 days.

    I did read some stuff that suggests that oil-based paints take a long time to really cure properly (weeks, maybe months) and that putting something like varnish over them will make them wrinkle if they haven't fully dried out, which is one reason I went for emulsion, which is water-based. It's been drying for 6 days now, is that likely to be enough?

    (Not that it really matters, it's just a bit of fun!)
     
  12. LJW61

    LJW61

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    Emulsion will be fine after just a few hours ;)
     
  13. DIYnot Local

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