Seal Dry Mounting Press Jumbo 150 Question

Discussion in 'Darkroom Developing and Printing' started by Sam Avampato, Jul 21, 2006.

  1. Sam Avampato

    Sam Avampato Guest

    I have purchased a used model Jumbo 150 and it has some remaining
    adhesive ( I assume ) on the heating press platen. Any suggestion on
    how to remove the residue?

    Thanks in advance..

    Sam Avampato, Jul 21, 2006
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  2. Seal presses are made by both Bienfang and Light
    Impressions. Bienfang has platen cleaner listed with press
    accessories at:


    I am pretty sure that Light Impressions has similar stuff
    but couldn't find it on their on line catalogue.
    Both companies sell presses, mounting tissue, and
    Light Impressions is at:

    Richard Knoppow, Jul 21, 2006
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  3. Sam Avampato

    Sam Avampato Guest

    Thank you for your information. I think I will try the Bienfang/Seal Platen
    The Operating Manual suggests toluol or a lacquer thinner. Thinner would be
    least expensive but I wondered about using it on a hot surface since the
    said to heat up the platen to about 225 degres, unplug, then clean the

    Sam Avampato
    Sam Avampato, Jul 22, 2006
  4. Lacquer thinner is usually an adhoc mix of whatever the refinery
    had too much of on the day of manufacture. If applied to
    something very warm the volatile solvents will evaporate
    almost instantly leaving something like kerosene.

    The usual cautions are 'don't apply to hot surfaces', explosive
    vapors, harmful vapors ... vapors are a very powerful laxative.

    If you are going to do this anyway do it outside on a
    windy day.
    Nicholas O. Lindan, Jul 22, 2006
  5. Sam Avampato

    John Guest

    First you smell it then you do it ?

    John S. Douglas
    Photographer & Webmaster -
    John, Jul 22, 2006
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