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  1. #31

    Join Date
    Aug 2005
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    Westcliff-on-Sea, Essex, UK
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    Hi Loris,

    Perhaps there are a lot of other tiny factors involved in this particular issue (blurring):

    maybe the paper is not bone dry,
    maybe the glass is thermally expanding and taking the neg with it,
    maybe the wooden back is expanding and taking the paper with it,
    maybe the different coefficients of the various materials used in the frame are warping it over the extended printing period and allowing less than perfect pressure?
    Maybe there was just a smudge on the glass?

    Who knows for sure? It's interesting trying to reason it out, though!

    Regards,
    neil.

  2. #32
    Philippe-Georges's Avatar
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    Apr 2005
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    Flanders Fields
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    Quote Originally Posted by Photo Engineer View Post
    Ray;

    He is talking about unpeeled papers which requires that the wax penetrate 2 layers of poly ethylene. This might not work. I have been told it would not.

    If stripped, then it might penetrate to some extent.

    I would agree that baby oil might be better than wax. It works on FB, but don't forget that PE is quite resistant to penetration even by baby oil.

    PE
    Dear PE,

    Perhaps a very thumb question, but can the back plastic layer or RC paper be 'removed' wit an solvent like acetone?

    Philippe
    "...If you can not stand the rustle of the leafs, then do not go in to the woods..."
    (freely translated quote by Guido Gezelle)

    PS: English is only my third language, please do forgive me my sloppy grammar...

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