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120 roll film dries with excessive curve

from Steve Wahl (stevenbwahl@earthlink.net)
I'm finding that my rolls 120 Delta 400 (new) are drying with what I would consider excessive curvature towards the emulsion side of the film. The curve is an arc which makes the film look like a quarter of a cylinder sliced lengthwise. I normally would expect a little bit of curvature due to shrinkage of the gelatin, but what I'm seeing is excessive and this is making printing a bit difficult.

I am suspicious of either my process or the low humidity here in Colorado. My processing uses a Jobo CPE-2: (1) water presoak for 1 minute, (2) develop, (3) 4 15-second water stop baths, (4) fix for 3-1/2 minutes, (5) water bath for 1 minute, (6) hypo-clear for 1 minute, (7) water bath for 1 minute, (8) bubbling cold water rinse for 10-minutes, (9) hang to dry with weighed clips and give a good soaking spritz with distilled water in place of an anti-spotting wetting agent soak.

Anyone have insight as to what is going on and a remedy?

(posted 8221 days ago)

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