Digital BW, The Print

In a message dated 1/29/06 7:12:53 PM, charleysfabrics@... writes:


>       in your considerd opinion, given what you say below, if the following 
> refered to the "NanoChromes" or any other dye type Inkjet Ink placed in 
> exactly the position you refer to below what would be your initial thoughts?
> 

Given the "Through the Looking Glass" nature of the testing and release of 
the NanoChrome products, I am going to refrain from answering that question at 
this time.

However, in terms of other dye inks: timeframes would vary with ink 
formulation and media involved, but any or all dyes I've worked with would fade or 
shift under the powerful onslaught of UV from a non-low-e window or skylight. An 
occasional glancing blow of direct light would reduce the longevity of most 
prints significantly; a position which caught stong midday UV for a couple of 
hours might not last long enough for the seasons to change and give it a break. 
Those who have put a laminated or glazed dye ink print outdoors for even a few 
days can vouch for the power of direct sun exposure. I once exposed a print 
using HP pigment black and dye color inks to north light only, no direct sun, 
through a plate glass window... and watched the color shift, fade, and 
eventually disappear, leaving a totally black and white image.

C. David Tobie
Product Technology Manager
ColorVision, Inc.
CDTobie@...
www.colorvision.com


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