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Digital BW, The Print

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Re: OBA's???

2004-01-22 by luisvcool

Diana, what papers from Hawk Mountain have a D-max and a texture like Epson VFA?  
I use an Epson 2200 with Epson inks and I make color and B&W (with OPM/IJC) prints.

Thanks.

By the by, how can one procure samples of the papers?

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Diana York" <diana@h...> 
wrote:
> A lot of that will depend on both the amount of OBA's (i.e. how much OBA's are 
being used to whiten the coating/paper)
> and the whiteness of the base sheet. If the coating without OBA's is still very white, 
and the base sheet is very white,
> any breakdown of the OBA's should not cause appreciable yellowing. We are 
developing coatings which are OBA free and
> still very close in whiteness to the OBA containing coatings we have used in the 
past. IMO yellowing is caused more
> often by a chemical reaction - the paper touching something acidic or otherwise 
chemically reacting with the coating. I
> have seen prints which were not framed with acid-free materials which developed 
yellowing of the coating rather quickly.
> OBA's do react adversely with dye molecules, but I have not seen any research 
where they have been shown to react
> adversely with pigments.
> Diana York mailto:diana@h...
> Hawk Mountain Papers toll free 888-807-2248
> http://www.hawkmtnartpapers.com
> 100% Cotton Fine Art Digital Print and Photo Papers
> 
> 
> ----- Original Message ----- 
> From: "luisvcool" <lvictoria@t...>
> 
> 
> Thanks John and Diana.
> 
> VFA is such a nice paper.  So since VFA has OBA's this means that it will "yellow" in
> time?  Even if it's under glass?  That's disappointing.

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