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No Scratch left on too long?
I left some on a neg in the enlarger for more than 24 hours, then cleaned
the neg with film cleaner. I noticed some swirls on the film when tilted in the light after cleaning. Is that a damage to the film? TIA Rick Warburton northwest Indiana |
#2
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No Scratch left on too long?
"Rick Warburton" wrote in message ink.net... I left some on a neg in the enlarger for more than 24 hours, then cleaned the neg with film cleaner. I noticed some swirls on the film when tilted in the light after cleaning. Is that a damage to the film? TIA Rick Warburton northwest Indiana I think NO Scratch is just an oil. You may not have cleaned it all off. What did you use for cleaning? Kodak's current recommendation is very pure (dry) Isopropyl alcohol. I can get 99% Isopropyl at Long's drugs locally, probably many other drugstores have it. Any moisture in the alcohol will swell the emulsion or the backcoating causing marks. You may have to wash the film briefly to get rid of the marks by try cleaning it again with the alcohol. Note that Isopropyl absorbs moisture very readily until it reaches 91%. A bottle of 99% alcohol that has been opened a few times will have become 91% and will leave a residue of water behind. -- --- Richard Knoppow Los Angeles, CA, USA |
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