Digital BW, The Print

Hans,

>Think I go for Epson Premium Semigloss or Ilford Galerie Smooth Pearl.
>What about using Krylon (have a lot of it) instead of Lyson Print Guard?

Many of these sprays are about the same.  Krylon has so many it's hard to
generalize.  At least one that I used was fine.  Others have a gritty feel
like the matte sprays, which not only feel bad, but lower dmax.

One of the big differences I found was how the nozzle spread the spray.  The
Lyson, PremierArt, and apparently Marshall's (all appear to be the same)
have a good nozzle that makes getting an even coating easy.

>Paul, "archival" Epson Premium papers?

Well, who knows?  Wilhelm has the paper rated at ">200 years."  This is as
good as the cotton papers.  The Semigloss has a good image life rating from
Wilhelm also.  In some of my initial fade tests the Semigloss did very well
also.

>If you compare HPR/UT1/Eboni and Premium Semigloss/UT1/Photo Black.
>Would it be 70-100 years for HPR and 10-25 for Semigloss, or 
>something like that?

If you are talking Wilhelm years, the carbon inksets are well over those
numbers.  They beat the Epson Archival inkset.  I'd guess HPR is rated at
over 200 years of dark storage also, but I've never seen a rating.  

In the real world, I worry about HPR's sensitive coating.  I would not be
surprised if the Premium Semigloss lasted longer, but I worry about all of
these inkjet coatings.  There is just no way to test for all the gas &
pollution attacks and interactions of the coatings with the environment,
pigments, and sprays, although I think the carbon and acrylic sprays will be
relatively inert.  (I am assuming PremierArt, Lyson, etc. are acrylic, but
the one I'm most confident about is Lascaux Fixativ -- which is said to be
the famous Rolm & Haas B72 formula.)  

If you're really interested in long life, I think uncoated paper is the
medium to keep an eye on.  I'm getting up to 1.55 dmax and a smooth image
out of Arches Hot Press.  If I were to bet on a medium that will outlast the
others, it would be "carbon on cotton" not "carbon on inkjet coating of
unknown chemistry and longevity."

Paul
www.PaulRoark.com 

________________________________


>Hans,
>
>>Have no experience from printing on glossy paper and have now the
>>possibility to try MIS UT1 with PhotoBlack.
>>Would appreciate any suggestion for a glossy or a semiglossy paper
>>(available in Europe) that could be used for exhibition purpose.
>
>I think the most impressive image might be on Ilford Galerie Smooth Pearl.
>After it has dried, give it 3 - 4 light sprays with Lyson Print Guard.
This
>gets rid of most of the "bronzing" and protects the print. Use Photo
Quality
>Ink Jet or Glossy Film paper setting to reduce the ink load.
>
>Oriental Graphica FB would be near the bottom of my list -- weak dmax,
>overly sensitive surface, and over priced.
>
>The only "archival" glossy paper is the Epson Premium series.  I favor the
>Premium Semigloss.  Again, it should be sprayed to reduce the bronzing and
>protect the surface.  This can take a full load of ink -- Photo Paper
>setting for example.
>
>I did not distribute curves for glossy papers.  Frankly, UT2 was partially
>about improving glossy paper performance.  Dirk Hobman has made some
curves.
>You might ask him about curves and workflow.  He's on this list.
>
>Paul


-- 
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