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413Re: [PPLetterpress] Kreene?

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  • Mark Attwood
    Mar 4, 2002
      Wayne wrote:,
      > I don't believe using glass is a problem due to absorbing too much UV light.
      > I have been getting good plates from a home set-up using a glass-covered
      > vaccuum frame.

      I tot use a glass vacuum frame and find that I get really good sharp plates.
      I had one very large plate made by a company who uses the kreene cover, and
      find that my plates are just as sharp and print as well.

      regards,
      Mark.

      Mark Attwood

      The Artists' Press
      Box 623
      Newtown
      2113
      South Africa

      Tel. +27 11 836 5474
      fax. +27 11 836 6858
      mark@...


      ----------
      >From: typetom@...
      >To: PPLetterpress@yahoogroups.com
      >Subject: Re: [PPLetterpress] Kreene?
      >Date: Mon, Mar 4, 2002, 5:10 am
      >

      > In a message dated 3/3/2002 wayne@... writes:
      > << kreene or pvc instead of glass (which I understand absorbs important UVA)
      >>>
      >
      > Hi Wayne,
      > I don't believe using glass is a problem due to absorbing too much UV light.
      > I have been getting good plates from a home set-up using a glass-covered
      > vaccuum frame. Kreene may provide better contact between the negative and the
      > plate, however. The problem I had with the glass is that the vaccuum
      > apparently bends the glass slightly and thus may cause uneven contact between
      > the neg and the plate. Following someone's suggestion on Letpress or PP
      > lists, I tried placing pieces of matboard around the plate material, under
      > the glass (about the same thickness as the neg and plate material together).
      > This supports the glass during vaccuum and has solved the uneven contact.
      >
      > My 4 UV flourescent bulbs are about 1 1/2 inches above the plates. Exposure
      > time is about 2 1/2 to 3 minutes depending on image detail and design. Sounds
      > like you are making a bigger system. Mostly I'm making small plates, most
      > less than 5x7, have done a few larger 8x10, though I often expose numerous
      > smaller plates at the same time, frequently an 8 1/2 x 11 negative with
      > multiple plates under it. I fit in the matboard all around and between the
      > plates. (Note also: some difference in hand-washout between small and larger
      > plates...).
      >
      > I'm glad to hear of others' exposure experience -- I was about to try kreene
      > but found the glass unit works fine for me now.
      > Let us know how it works for you! Tom
      >
      > Tom Parson
      > Now It's Up To You Publications
      > 157 S. Logan, Denver CO 80209
      > (303) 777-8951
      > http://members.aol.com/typetom
      >
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