[Alt-photo] Re: Inkjet transparencies(microporous) and pigment inks

Jeremy Moore alt.photosbyjeremy at gmail.com
Tue Jul 16 22:48:15 UTC 2013


My experience with Epson inks on ultrafine, pictorico, and inkpress is as follows:

Claria dye inks do block enough UV through QTR to print pt/pd with an Epson 1400.

The K3 pigment inks in my Epson 7800 block more UV than the dyes do so making negatives for salt prints is much easier, but it's 6 in one, half dozen in the other when it comes to pt/pd.

While they can be scratched, Neither ink (pigment or dye) is easily scratched off the negatives nor do they require any kind I sealing.

Jeremy who's heading home to make pt/pd prints for the next 4 hours :)

On Jul 16, 2013, at 5:40 PM, Peter Friedrichsen <pfriedrichsen at sympatico.ca> wrote:

> How well does the ink from pigment printers sink into the coating of these transparencies?  Is the transparency easily damaged from scratches such that the pigment may scrape off the surface or is it well sunk in below the surface? Is there any need to seal the transparencies with whatever?
> 
> I am still using dyes but have a requirement for a stronger UV block as some UV still seems to pass through the photo-black dye. Do the pigments do a better job of blocking UV?
> 
> Peter Friedrichsen
> 
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