Sorry, another clarification:
Katharine Thayer wrote:
>
>
> (2) One thing I learned yesterday is that zinc white gouache in two
> different brands with two different gums caused dichromate stain every
> time. I also learned from handprint.com that zinc white blocks UV below
> 370. So I guess I would say that this is the first pigment that I've
> found, at least in gouache formulations, that probably doesn't work very
> well for gum.
To be clear, this should read "this is the first pigment I've found that
I would say probably doesn't work very well for gum, at least in gouache
formulations."
Received on Thu Jun 17 12:07:09 2004
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