Digital BW, The Print

Scott,

>Are the MIS inks waterproof (resistant, whatever) on a paper such as 
>Epson Premium Lustre, as are the Epson UC inks?

>I can take an R800 print on EpPrmLstr, hold it under water, rub my 
>fingers over the paper surface and the inks don't move.

I don't know if the MIS inks are as waterproof as the R800, but I just took
a test strip of MIS UT ink on Premium Semigloss and put it under the faucet.
There was no apparent running on the ink.  I rubbed the inked parts with a
finger and no smearing appeared.  However, when I rubbed it with a paper
towel to dry it there was a slight amount of smearing.  So, it may be that
it's water proof, but not abrasion proof when wet.

Paul
www.PaulRoark.com 

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul Roark" 
<paul.roark@v...> wrote:
> > HP Premium Plus Photo Glossy, Satin (formerly Matte) and High 
Gloss.
> > 
> > Those will give the longevity that we all desire, especially when 
> > nput behind glass.
> > 
> 
> This caught my eye, and I couldn't resist re-posting part of the 
fade test I
> did in March.
> 
> After 600 hours in my tester, the 50% patch of the Epson Premium 
Semigloss
> printed with neutral MIS UT inks then sprayed with PremierArt Print 
Shield
> and HP paper printed with their B&W inkset had the following 
starting and
> ending spectrophotometer readings:
> 
> Prem. SG start: C = .58, M = .57, Y = .58, Visual Density = .58
> 
> After 600 Hr:   C = .58, M = .57, Y = .58, Visual Density = .58
> 
> 
> HP start:     C = .80, M = .79, Y = .76, Visual Density = .79
> 
> After 600 Hr: C = .78, M = .76, Y = .72, Visual Density = .77
> 
> So, while the HP B&W dyes may be very good for dyes, and maybe good 
enough
> for most uses, I don't think they are equal to the good B&W 
pigments.  How
> all this translates into actual fading in display I don't know.  
However, if
> one wants the best B&W digital print resistance to fading, I think 
the
> predominantly carbon pigment systems are still the way to go.
> 
> Paul
> www.PaulRoark.com






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