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11950Re: [PPLetterpress] Re: Photopolymer separating from polyester backer

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  • Peter Fraterdeus
    Aug 2, 2010
      Have you tried a 20-second back exposure before your vacuum main exposure?

      Particularly with hairline problems, and mysteriously moving commas, etc, it's pretty much 'de rigure' to prime the base a bit with a back exposure.

      At least in my experience ;-)

      Cheers

      PF

      ...
      Peter Fraterdeus
      Exquisite letterpress takes timeā„¢
      http://slowprint.com/

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