[Clayart] Xanthan gum
Snail Scott via Clayart
clayart at lists.clayartworld.com
Thu Aug 14 13:18:24 EDT 2014
On Aug 14, 2014, at 9:36 AM, Jeff Lawrence via Clayart wrote:
> ...In glazes, all gums I've used slow drying time noticeably, even on very
> absorbent bisque. Too much gum of any sort can ruin a batch completely
> (voice of bitter experience).
> A key trait of casting slips is that they let their water wick out quickly
> and grow stiff fast - I'd expect gum to work against both these
On the other hand, gum and other additives can be useful
in decorating slips for exactly the same reason. Instead of
instant 'set', you get working times that allow oil-paint effects
and soft blending.
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