Digital BW, The Print

No, I haven't seen a statement to that effect by Wihelm. I'll go to 
their website and look. I'd be interested in learning just what real-
world expectations I can have about the Media Street Enhanced Black, 
since I've just started using it as a replacement in MIS CFS for the 
VM black. BTW, I've had no problems with the mix.

Chris Hargens

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul Roark" 
<paul.roark@v...> wrote:
> 
> >... At the Media Street website they
> >state that their Enhanced Generations Black is rated by Wilhelm
> >beyond 100 years before noticeable fading occurs. That sounds
> >impressive. Any comments?
> 
> In my testing the Media Street Enhanced Gen Black is not nearly as 
lightfast
> as the black inks in inksets that have been rated at 100+ years.  
That is,
> the UltraChrome Matte black and the Epson Archival black, which are 
in
> inksets that Wilhelm rates up in the 100+ (for B&W only for the 
UC), perform
> far better than the Gen 4 Enhanced (with 25% dye, I believe) black 
I've
> tested.
> 
> Now, it may be that Wilhelm tests the color inksets at, for 
example, 50%
> density, so that there is simply no significant black ink present.  
If that
> is the case, then the test would be of the color pigments, not the 
black
> ink.  (Of course, I don't think third-party color pigments are as 
long-lived
> as UltraChrome color pigments either, and the color UltraChromes 
don't make
> the 100+ class from what I've seen.)
> 
> So, have you really seen *Wilhelm* say Gen Enhanced K is 100+ years?
> 
> I'd like to see some substantiation of the 100+ year claim for Gen 
Enhanced
> K.  To say I'm skeptical is an understatement.
> 
> Paul
> http://www.PaulRoark.com
> 
> (PS for Norm -- I spent 25 years as a FTC consumer protection & 
antitrust
> attorney.)