It is used as a base for gilding and has a matte finish, as opposed
to a harder gesso base which results in a brilliantly burnished
finish. There is a very useful book called Secreta by Joyce Grafe
which explains how to make these bases.
On Dec 12, 2005, at 7:30 AM, J. J. Foncannon wrote:
What is it used for?
Deanna Jay Chu Nim wrote:
Does anyone know where I can buy gum ammoniac in bulk?
I have been buying it online at $3.50 per ounce.