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Thread: sun exposures?

  1. #1
    yo rodeo's Avatar

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    Default sun exposures?

    Exposing screens in the sun.. I've done this before, but I can't remember how long the exposures were... (noon on a bright day)

    Anyone?

  2. #2
    Premium Member
    Andymac's Avatar

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    Default

    Depends on your emulsion (I use Autotype 8000, dual cure) and your mesh colour, and of course the sun/UV intensity, BUT

    white mesh - 45 seconds

    yellow mesh - 80 seconds

    As you get into the summer, and assuming the ozone layer is pretty well shot, the times will decrease. Get a piece of nice film with fine lines and dots on it, use it in the corner as a tester - if the lines go or close in, you are over exposed - this assuming you have compressed the film completely to the emulsion - adjust on your next exposure.
    Andymac

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

    Todo es empezar.

  3. #3
    yo rodeo's Avatar

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    Awesome.
    I realis
    Thanks alot Andy.

  4. #4
    Premium Member
    sicknimich's Avatar


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    for some reasion i love burning in the sun! i usually do all my poster screens that way. goodtimes!

  5. #5
    yo rodeo's Avatar

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    A) 'I realis' was meant to say something else... a full sentance... but it was hours ago, so I can't remember.

    B) It was around 4pm by the time I got to try it. Sun was still bright, but not high-noon bright. I tried 100 seconds, (yellow mesh) and it worked just great!

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