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4636Re: Post Exposures

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  • elumdesigns
    Sep 3, 2005
      I double, sometimes triple the pre-exposure time. It tends to harden
      the plates more.

      --- In PPLetterpress@yahoogroups.com, "John G. Henry" <JohnH@i...> wrote:
      > I notice that (in the details posted) the postexposures are
      > exceedingly longer than the imaging exposure. Why is this? When
      > setting up my exposure/washout system, I got the impression that the
      > post exposure should be about half the length of the imaging exposure.
      > Can anyone shed some light on this (pardon the pun).
      > John H.
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