4636Re: Post Exposures
- Sep 3, 2005I 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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