Steve
that's a very interesting site, if you look here
http://www.livick.com/method/inkjet/pg2I.htm#fade
he talks of Ultrachrome prints fading after 25 years.
Makes me wonder where the often quoted "200 years" came from?
Steve
that's a very interesting site, if you look here
http://www.livick.com/method/inkjet/pg2I.htm#fade
he talks of Ultrachrome prints fading after 25 years.
Makes me wonder where the often quoted "200 years" came from?
I think some of the estimates of "200 years" come from Wilhelm's site. I believe he tests with low level floursecent and Livick tests with sunlight, and maintains that using sunlight is more realistic because many prints hang in mixed lighting. Coatings seem to double the fade resistance in some paper/ink combinations, though.
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