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Digital BW, The Print

Index last updated: 2026-04-28 22:56 UTC

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Ultrachrome outgassing

2003-05-23 by rr6x7

I can't believe that this is not more of a widespread issue. Anyone 
that has put a 2200 print behind mat and glass in the last couple of 
months should inspect the glass closely for fogging. It really takes 
the sparkle out of the image; looks dull. Not a good thing when sold.

The fog is a direct copy of the image and wipes off as a dry fine 
dust. Dark print area exhibits more, etc. Static is probably a  
factor since the particles move to the glass rather than rising.
Also dosen't matter where the print is hung.

I am not sure why a plain paper liner would dry the print any better 
or faster than air drying. It is more convienient. The problem still 
occurs after letting them air dry for a week or two.

My best results are obtained at around 120 degrees for up to an hour. 
Yes, in a clean oven on cardboard. A safe range since the RC's start 
to permanantly distort at around 200.

I am too new here to have seen any earlier discussions.
Maybe the good news is that I'm the only one with this problem and am 
about to find out what I am doing wrong. 

Ron Rogers

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