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4182Re: [PPLetterpress] Artwork Colour??? Help please

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  • Silver MayKitten
    May 1, 2005
      If the green is dark enough, you can expose it to regular
      orthochromatic film. However if it is lighter, you will need to
      use panchromatic film and expose through a red filter.

      MaiK
      --- Milton Watkins <milton@...> wrote:
      > Hi all, this is my first post to this list I think, I have
      > had a
      > question about the colour of Artwork before exposing it to a
      > negative, I
      > have always used black and thought this was the only colour
      > you can use,
      > but I have a client that has artwork in Green, will this work
      > as far as
      > exposing a negative or will only black work.
      >
      > Plus does anyone know of a good supplier of plates,
      > preferably
      > in Australia, or the USA will do if none in Australia, I was
      > in line to
      > buy them off Edward Keller in Victoria but I'm not sure if
      > they sell
      > them any longer.
      >
      > Regards,
      >
      > Milton Watkins.
      >
      > Ballarat Bookbinding & Specialist Printing
      > 312 Albert Street, Sebastopol,
      > Victoria, Australia, 3356.
      > Ph/Fax: +61 3 5336 0057
      > Mobile: 0438 876 467
      > Website: www.bookbinding.com.au
      > Email: ballarat@...
      >
      >
      >
      >
      > -----Original Message-----
      > From: PPLetterpress@yahoogroups.com
      > [mailto:PPLetterpress@yahoogroups.com] On Behalf Of
      > typetom@...
      > Sent: Sunday, 1 May 2005 3:14 AM
      > To: PPLetterpress@yahoogroups.com
      > Subject: Re: [PPLetterpress] Plate burner
      >
      > Hi Shelly,
      > You must have missed the exchange of emails about NuArc
      > earlier this
      > week.
      > These frames were designed for exposing offset printing
      > plates but can
      > be
      > adapted for exposing pp.
      >
      >
      > With a NuArc vacuum frame, the normal exposure lights
      > probably are not
      > appropriate for UV light. I use a bank of UV fluorescent
      > bulbs, in a
      > box that I
      > place on top of the glass.
      >
      > The main problem with a vacuum frame is that, in fact, the
      > vacuum bends
      > the
      > glass. Even a slight distortion of the glass allows an
      > uncertain
      > contact
      > between the negative and the plate material. The result is
      > an irregular
      > plate
      > with some edges swollen wherever more light could get around
      > the
      > negative. Good
      > contact between the negative and the plate material is
      > critical.
      >
      > A simple solution is to add pieces of mat-board around the
      > plate
      > material in
      > the frame to support the glass. No more bending glass, no
      > problem with
      > irregular exposure. Works well for me.
      >
      > (Another solution would be to replace the glass top with
      > kreene, a
      > flexible
      > vinyl, which should provide a consistent contact between the
      > negative
      > and the
      > plate. Kreene is available from Boxcar Press).
      > Tom
      >
      >
      > Tom Parson
      > Now It's Up To You Publications
      > 157 S. Logan, Denver CO 80209
      > (303) 777-8951
      > http://members.aol.com/typetom
      >
      >
      > [Non-text portions of this message have been removed]
      >
      >
      >
      >
      >
      > Yahoo! Groups Links
      >
      >
      >
      >
      >
      >
      >
      >
      >
      >
      >

      Pagan, Pagan, what are you finding?
      Yours is the road that winds lonely and far,
      Strange are the shadows that round you come creeping,
      Still through the clouds is the glint of a star!

      From the book, Charge of the Goddess
      BY: Doreen Valiente
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