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> Curly RC paper |
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#11
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I use a lot of RC paper, Mainly fotospeed, which is made by Harman, and I have never had a problem with rc paper curling,
Richard
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jerseyinblackandwhite.blogspot.com |
#12
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Me neither, but I suspect the wet time was too long this time.
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#13
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Miha, including time spent in a holding bath prior to a wash my wet time can be anything up to 45 minutes for some sheets, I wait untill I have 2 sheets to wash, that is, 2 finished prints, which with some images can take a while, I have had sheets in water sometimes for an hour or more, that includes Ilford, Fotospeed and Agfa papers over the years and I have never had any problems with curl, I always wash for 3 minutes, and dry my prints hanging on a line after gently wiping with a patterson RC wiper, in fact a few years ago I conducted an experiment with RC paper,(Multigrade) and washed the paper for a few hours, and upon drying no problem with a curl, although one or two sheets did start to de laminate,
Richard
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jerseyinblackandwhite.blogspot.com |
#14
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Thanks Richard, good to know. I will probably contact Ilford in the following days... and stick to FB
p.s. I also have some prints that are made on Kentmere RC (Harman made) from last spring that are absolutely flat. |
#15
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Hi Miha,
The other thing that's odd is that your prints appear to have curled the opposite way to all the RC prints I've seen (both my own, and students on courses I've attended) on Ilford, Kentmere and Fotospeed papers. Like everyone else who's commented so far, I've never had the kind of problem you report, and what slight curl there might be in all my RC prints has been the same direction that the paper has when you take it out of the packet to put it under the enlarger - i.e. the emulsion surface is convex, not concave as your prints appear to be. Andrew |
#16
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looks like drying the emulsion side too fast.
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#17
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It's RC. How could fast drying affect it? It was dried on newspaper sheets in my darkroom.
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#18
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I agree.
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#19
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What do you think actually makes paper curl, FB or RC?
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#20
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Other than using one of the RC paper dryers, which you really don't need, it is almost impossible to dry RC paper too fast, I hang the paper on a line in my darkroom, and it air drys within ten minutes at the very most, sometimes quicker, and I have yet to have a curl problem, I can't say if dryers cause problems as I have never used one, but I have never heard of them causing curl,
Richard
__________________
jerseyinblackandwhite.blogspot.com |
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