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  1. #1
    Mcearl's Avatar

    Join Date
    Mar 2012
    Location
    chicago and beyond
    Posts
    21
    Comments
    1

    Default exposure time and lamp options

    I have been trying to dial in my exposure time, maybe one of you can help. I built a unit that uses ( f30watt t-8 blacklight lamps(although they do not look like traditional black light lamps when lit, but have the high uv output) My glass sits approx 5-1/4" above lamps. Any suggestions on an exposure time starting point? i have heard 40seconds to 5 minutes. Also any cheaper lamp alternatives as the lamps I use (Damar F30T8BL from Ryonet.com) are expensive. Any input would be spectacular. Thanks!

  2. #2
    squeegeethree's Avatar

    Join Date
    Dec 2006
    Location
    Brooklyn, NYC
    Posts
    6,625
    Comments
    62

    Default

    You should get an exposure guide like this one.
    Tools | Screen Printing | Victory Factory
    Do a search of the forums though there are about 20 threads on this topic already.

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