Digital BW, The Print

> From: Djon [mailto:westsidemaurice@...]
>
> It's not a dye or pigment or formulation.  Epson confuses the matter
> by calling it "pigment" but they do that to distinguish it from
> everything else that's out there.
>
> A pigment is just a colorant, it's in dye and ink.
>
> What's distinctive about Ultrachrome is the pigment's encapsulation.
> None of the competing products are encapsulated.

As I understand it, the colorants in a dye ink are completely dissolved, so
they're floating around at the molecular level. In a pigment ink, the
colorants are solid particles much, much larger than a molecule, suspended
in a liquid. I've also read that the UC inks are not just solid particles of
a single color, but have a more complex structure, as you suggest. But
they're definitely not dye inks.

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Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@...