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  1. #1
    failsafe's Avatar

    Join Date
    Oct 2008
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    Los Angeles, Ca.
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    Default Got a problem with fading exterior signs.

    I've been printing some signs on white coated metal. 2 colors. Nazdar 59-000 series enamel blue and LF Red.
    Now I'm told they've been fading after about 6 months outside.
    Using 305 mesh on both colors.
    You guys know of a way to prevent the fading so soon?
    Thanks!

  2. #2
    Premium Member
    Andymac's Avatar

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    Aug 2003
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    Van Isle BC Canada
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    Default

    230 mesh would give you more ink down. sun just kills it.

    if it is an ongoing problem, look into some UV protectant over coat

    you could contact nazdar and see if they have some super UV light resistant ink
    Andymac

    services www.squeegeeville.com
    equipment www.tmiscreenprinting.com

    Todo es empezar.

  3. #3
    squeegeethree's Avatar

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    Dec 2006
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    305 is too tight a mesh for enamel really (we rarely print enamels with finer than 156). If you print out your image with that on a clear sheet of plastic and old it up to the light you will see that there is almost no ink there. Reds fade faster than other pigments generally. As Andy says a UV protectant would help. There are a lot of these of the market just make sure it sticks to enamel and they don't block all UV but the thicker you lay these down the more they will protect. Take a look at at adhesive vinyl for plotters you will see that there is a huge variation in what they will guarantee in direct sunlight.

    We have even had metallic inks with pure metal pigments fade in direct sunlight.

  4. #4
    RichieGoodtimes's Avatar

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    Mar 2002
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    San Frangeles, Califas
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    Black out the sun. Problem solved!

  5. #5
    Premium Member
    Andymac's Avatar

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    Can you take care of this if elected president?

    You would be assured of the Outdoor Signage Manufacturer's endorsement.
    Andymac

    services www.squeegeeville.com
    equipment www.tmiscreenprinting.com

    Todo es empezar.

  6. #6
    failsafe's Avatar

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    Oct 2008
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    Los Angeles, Ca.
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    Default

    Thanx chaps.
    Went to 200 mesh count and oversprayed a coat of ClearJet UV blocking clearcoat. Waterbased and dried very hard. We'll see what happens LOL!

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