Digital BW, The Print

Also, you should both be aware that micro porous papers are VERY GOOD
at picking up atmospheric polutants that will yellow the paper. This
is one very good reason to seal the paper or at least mount in under
glass ASAP.

John Nollendorfs

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "djon43"
<djon43@...> wrote:
>
>  
> 
> Eric, Yellowing may or may not be the same phenomenon as loss of
> whiteness. Some think they're both a concern, you may not: Eye of
> beholder. 
SNIP
> The only information I have on whitening is in the perhaps-valid 
> marketing information of paper distributors. Moab, for example, has
> stated in its marketing that whiteners were moderated in Entrada
> Bright in order to minimize changes, implying directly that whiteners
> were problems for people who wanted maximum stability.
> 
> Eric, If you can link scientific information on whitening, please do. 
> 
> I'd like to know why one 100% rag paper would have problems with
> whitening and another would not. 
>  
> 
> John 
> 
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "djon43"
> <djon43@> wrote:
> >
> > Eric, the answer to your angry question is obvious: Paper distributors
> > have said for several years that whiteners on cotton paper will
> > eventually fade or even yellow. You know that as well as anyone. 
> > 
> > Some paper manufacturers use restraint with whiteners in order to
> > minimize that problem. That's specifically what Moab is said to have
> > done with Moab Entrada Bright, while intentionally marketing Moab
> > Entrada Natural for people who were maximum-worried about changes.
> > 
> > Polar white is remarkably white. It appears to be a "Super Enhanced
> > Matte." Given that it's reasonable to wonder (as I did) if the
> > longevity of its white is questionable...that's a reasonable thing to
> > wonder about with ANY whitened paper. 
> > 
> > You have not used Polar for long long because it hasn't been around
> > for long.
> > 
> > ***While I hope nothing yellows as rapidly as EEM does (did), it's 
> > prudent to openly wonder about the future of a similarly priced,
> > almost identical looking, heavily-brightened paper. 
> > 
> > ***AND it's especially worthwhile to wonder about it on this specific
> > Forum, of all Forums. :-)
> > 
> >  
> > 
> > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Eric Neilsen"
> > <e.neilsen2@> wrote:
> > >
> >  I have not seen any reports that suggest that it did or
> > > will. Why would anyone put EEM and PM in the same sentence about
> > yellowing?
> > > Sure you can have a concern about brighteners and whiteness, but why
> > imply
> > > yellowing unless you've seen it?
> > > 
> > >
> >
>