Tri-X Expiration Date

Discussion in '35mm Cameras' started by Summer Wind, Mar 1, 2009.

  1. Summer Wind

    Summer Wind Guest

    How long past its expiration date is 35mm Tri-X usable?

    Summer Wind, Mar 1, 2009
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  2. Summer Wind

    Peter Irwin Guest

    Under good storage conditions, it will be usable for at least
    a decade after its expiry date. Good storage means kept in an
    air conditioned house in the summer - a few days at 100F will be
    rather hard on it - a glove compartment of a car in summer is
    the wrong place to store film.

    There will be a bit of fog on old film, but with a normal or
    generous exposure it won't show on the prints. I wouldn't try pushing
    any film that wasn't pretty fresh.

    Peter Irwin, Mar 1, 2009
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  3. It depends on the environment that it's been stored in.

    Frozen? Indefinitely, for all practical purposes.

    Refrigerated? Almost, indefinitely, but at least 5 years beyond.

    Average Room Temperature? A year or so, before there's any noticeable
    change, then only slight at one year. That is, still usable. The
    changes will be loss of film speed and decreasing image contrast. If
    it's been 5 or more years, it's still usable, but I wouldn't use it for
    anything important.

    In your car where the temperature inside gets up to 140F in the summer?
    It's toast. And has been for years.

    You might check Kodak's web site. They used to have info based on actual
    tests that covered this.

    Stefan Patric, Mar 1, 2009
  4. Summer Wind

    Summer Wind Guest

    It's only 2 months past the expiration date and it has been stored in a cool
    room, so it sounds like I can consider it like new. Correct?

    Thanks for your help.

    Summer Wind, Mar 1, 2009
  5. I would.

    Any system of knowledge that is capable of listing films in order
    of use of the word "****" is incapable of writing a good summary
    and analysis of the Philippine-American War. And vice-versa.
    This is an inviolable rule.

    - Matthew White, referring to Wikipedia on his WikiWatch site
    David Nebenzahl, Mar 1, 2009
  6. Summer Wind

    Noons Guest

    Summer Wind wrote,on my timestamp of 2/03/2009 6:00 AM:
    Right on!
    No worries!
    Noons, Mar 2, 2009
  7. Film expiry date is only estimated. I've used black and
    white film that's many years past expiration, and it's been
    fine. In about 1985 or so, a friend and I saw some black and
    white film for a buck a roll, at a store. We each bought
    several rolls, and took pictures for years after that. It
    was Kodak film, I can't remember if it was plus X, or tri X.
    Probably Plus X, 100 ASA.

    Christopher A. Young
    Learn more about Jesus

    It's only 2 months past the expiration date and it has been
    stored in a cool
    room, so it sounds like I can consider it like new.

    Thanks for your help.

    Stormin Mormon, Mar 2, 2009
  8. You failed to note that I qualified my statement: "...for all practical

    And to that person who brought up "cosmic rays".... As a girl friend of
    mine so fondly likes to refer to such nit-picky people: "He's so
    anal." ;-)

    Stefan Patric, Mar 3, 2009
  9. Summer Wind

    Dave Guest

    At the risk of going off topic, I am wondering if this applies to
    Kodachrome as well, since Kodachrome is essentially a black and white
    file that gets color added during processing. If not, why not?

    Dave, Apr 17, 2009
  10. Summer Wind

    Paul Guest

    In my experience, slides made from outdated Kodachrome tend to have a
    magenta tint. I couldn't tell you exactly why.

    Paul, Apr 18, 2009
  11. Summer Wind

    Peter Chant Guest

    Dave wrote:

    I'd worry more about where you can get it processed.

    Peter Chant, Apr 18, 2009
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