> -----Original Message-----
> From: Jerry Olson [mailto:jerryolson@...]
> Sent: Monday, March 10, 2003 5:32 PM
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: Re: [Digital BW] MIS new black and glossy papers
>
>
> Bob, I guess the only thing to do is get a bottle of the eboni black and
> do a swab and dip and dunk test
> to compare it's blackness with Gen. 4.
>
> I just can't live with a weak print with no deep black. I just can't!
>
> Jerry. Will order the eboni now. There's no place to actually order it
> on MIS's website. Do you know how to actually order it? Sent a letter to
> Bob Zeiss, but never recieved an answer.
>
> Jerry
>
> Robert Morrison wrote:
> >
> > I've seen it...but I know its wrong...all that does is convince me that
> > Wilhelm's old test methods which he has now changed because
> they didn't work
> > were bad. Those same test methods said the 1270 Epson dyes
> would last for 25
> > years...right...those were the dyes that color shifted beyond
> recognition in
> > 6 months of average room light. As I mentioned somewhere...the
> problem is
> > what the definition of fading is...Wilhelm's is way too loose
> for me. If
> > you look at Cone's fade tests you can see the MIS FS black fade
> noticeably
> > with only 1000 hours in a Xenon chamber (Museum black passes
> that test). The
> > Cone tests use a reasonable 2 delta E change as a pass. The MIS
> FS black has
> > very little of its strength from dye...but that fries almost
> immediately...
> > with the net effect a weak black. The Gen4 is a low loading
> pigment black
> > trumped up with dye...the dye will be gone in no time and then
> you are left
> > with a week black. I believe that this was well documented by
> Paul within
> > the last 6 months or so.
> >
> > Jerry, its great that you are happy with the Gen4 black...but I
> don't think
> > it should be considered in the same sentence as the new high
> load pigment
> > blacks (e.g., Ultrachrome Matte Black, Piezotone Museum Black, MIS Eboni
> > Black). They will be stronger than the Gen4 in a matter of
> months with room
> > lighting...I think that's the point that is important for people to
> > understand. I don't think there is anything wrong with using Gen4 for a
> > dark storage short range portfolio...but with 25% dye it is
> simply not an
> > appropriate choice for archival prints...particularly on matte
> paper which
> > won't protect the dye. Now John Edmunds new dye based inks
> with his special
> > enfused paper may be another story...I hear his longevity
> estimates are up
> > to 60 years...pretty good for color work.
> >
> > Robert
> >
> > On 3/10/03 12:30 PM, "Jerry Olson" <jerryolson@...> wrote:
> >
> > > Hi Bob,
> > >
> > > It is on Media Street's site, the enhanced black was rated by Wilhelm
> > > for 100+ years
> > >
> > > Jerry
> > >
> > >
> > >
> > >
> > > Robert Morrison wrote:
> > >> Yep...that is certainly ridiculous. Unfortunately that
> calls into question
> > >> all of their numbers. But my guess is that if you allow 40%
> density failure
> > >> and are unconcerned by color shift you probably could get
> 100 years from the
> > >> enhanced black. This is a prime example of why year ratings
> are a really
> > >> bad idea.
> > >>
> > >> Robert
> > >>
> > >> On 3/10/03 9:49 AM, "Tim Atherton" <timatherton@...> wrote:
> > >>
> > >>
> > >>>> I saw it on their site about a month ago. I thought it was
> an awful long
> > >>>> time for ink with dye in it. I can't find it now, on
> > >>>> their site.
> > >>>
> > >>> http://www.mediastreet.com/cgi-bin/tame/support/generations_info.tam
> > >>>
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