U of S | Mailing List Archive | alt-photo-process-l | Re: (1) Gum over Cyanotype on sized Masa paper (rough side) - (2)Pigme

Re: (1) Gum over Cyanotype on sized Masa paper (rough side) - (2)Pigment that makes gum insoluble w/o exposure?



On Sep 23, 2007, at 11:21 PM, Loris Medici wrote:
. Are there watercolor
paints (in tubes) that make gum insoluble without exposure?
Very unikely, as gum arabic is the carrier medium in all watercolor paints AFAIK. If a pigment made gum insoluble in water, you'd never be able to use the paint in watercolor painting.
kt