How long does RC paper take to to expire?

Discussion in 'The Darkroom' started by stone_family3, Jan 23, 2010.

  1. stone_family3
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    stone_family3 New Member

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    I was given several boxes of never opened RC Paper however it was very old but I don't know the exact. Only one pack of 25ct had a date written on it which said 1995. I opened the pack and it appears to be bad. The lady I got them from said she couldn't remember when she bought them but they were kept dry in her basement. The fiber based paper worked wonderfully and I was hoping the other boxes were fiber as well but alas they weren't.

    Is there an expiration date?
  2. y0aimee
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    y0aimee New Member

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    If you opened the pack of papers and exposed them to light, then they are all ruined.
  3. ann
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    ann Well-Known Member

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    it will depend on the brand, and how they have been stored.
    A basement could mean anything.

    if the paper is fogged it will be some shade of gray. You could always make photograms for fun from the fogged paper.
  4. Torus34
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    Torus34 Active Member

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    The date at which paper becomes perceptably fogged depends upon storage conditions -- primarily temperature.

    The classic test for fogging is to place half of a sheet in developer for 2 minutes and then process it and the other half piece through your normal stop bath, fixer, wash and dry procedure. Then compare the two.

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