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Mixing CMY dye inks to get a B&W grey ink is really the worst scenario in terms of longevity. It is already damned difficult to achieve a neutral grey in that mix and then printed on paper, both for changing light conditions. One of the dye ink colors will fade faster than one of the other two so a color shift will happen in time. That time could be short as it is a known issue with dye inks that a mix of them brings forth chemical instability of the colorants or not, hard to say where the Claria CMY dye fits. Diluting the Claria black dye is still a better idea.

Met vriendelijke groet, Ernst

Dinkla Grafische Techniek
Quad, piëzografie, giclée
www.pigment-print.com

On Fri, Oct 2, 2015 at 4:41 PM, nigglefish@... [DigitalBlackandWhiteThePrint] <DigitalBlackandWhiteThePrint@yahoogroups.com> wrote:

I was wondering if anyone had experimented with mixing Claria C, M and Y outside of the printer to make a neutral(ish) grey ink. I was thinkig of using the Claria K, the mixed grey and a diluted grey to make a BW inkset. I know poeple have experimented with diluting the Claria K and reported fading problems. From what I can piece together the K is only really stable in the long(ish) term when it is at maximum density. The Epson drivers certainly seem to only use it at high densities. But it seems that the colour inks aren't affected by this weaknes. But I have no idea what the effect of mixing these inks together might be in terms of ink stability in the carts/bottle or print stability. Or in any other terms. Does anyone have any information or experience mixing such a grey ink and diluting it?

Digital BW, The Print

Re: [Digital BW] Is it possible to mix Claria colour inks to make a neutral grey ink?

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