Clayton, Thank you for interjecting some sanity. Shilesh --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Clayton Jones" <cj@c...> wrote: > > Scott, Walt, > > >In the "test" Shilesh performed the Epson dyes faded, the > >Nanochromes faded, the Ultrachromes didn't. > > I have to agree with Walt. The test does have some validity because > of the other control prints. If two fade and one doesn't under the > same conditions, then that says a lot about the relative merits of > those inks. > > I've been conducting windowsill tests (getting some direct sunlight > every day) for over two years now (in S. Florida which technically is > in a sub-tropic latitude) and the results are revealing: > > Epson dyes - showed fading in a few weeks. > Septone - showed fading between two and three months. > Early UT7 - showed fading between five and six months. > New UT7 - almost one year (Feb 8th), no fading. > 2200 UC (grayscale print w/ color inks) - showed color shifting at > around 1.75 years (turning pinkish purple) - is now at 2.3 years and > continuing to get worse) > Eboni BO - 2.25 years (Feb 5th), no fading. > K3 - four months, no fading or color shifting. > > Of course we don't have any scientific numbers so we can't begin to > translate this into years of life framed under glass with room light. > But armed with these results would anyone in their right mind decide > to use Septone inks? > > I think Shilesh's test was very revealing. Anything that would fade > on a windowsill in 4 weeks should not be considered archival. > > Regards, > Clayton > > > Info on black and white digital printing at > http://www.cjcom.net/digiprnarts.htm >
Message
Re: more paper news
2006-01-30 by Shilesh Jani
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