11950Re: [PPLetterpress] Re: Photopolymer separating from polyester backer
- Aug 2, 2010Have 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 ;-)
Exquisite letterpress takes time™
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