Re: using powdered pigments in gum

Katharine Thayer wrote:
>
> Jack Brubaker wrote:
> >
> > Dear list,
> >
>
> > Do those of you who make up gum-pigment solutions add any extra
> > preservative. I have some thymol that I used in a gum solution that I made
> > from dry gum. Should I put some of the thymol in the VARN gum next time? Any
> > other thought or suggestions would be appreciated.
> >
>
> Hi Jack,
> Dave or Keith can speak more to the VARN gum specifically, but I'll
> just say more generally that the gums I've used don't seem to go bad
> when mixed with color and kept a long time, and I don't use an extra
> preservative for this. I have some seldom-used mixes that have been
> sitting around for years that look and print like brand new whenever I
> want to use them. Perhaps there was something in the stuff that got into
> the pigment that acidified the gum too much? Just a thought,

And of course, ignoring your precise subject line, I was talking about
tube pigments rather than powdered pigments. Sorry about that,
kt
Received on Tue May 4 14:48:30 2004