|Work by Steve Quiller|
Besides the mat quality of casein colors and their high drying speed, some artists prefer them to oils because they can be mixed with water. Although dried casein paint may be damaged if spattered with water, it is not readily water-soluble and will resist dampness. A casein painting may be sprayed with Formalin (or spray fixative like Krylon® UV Resistant Clear Coating #1309 (Matte) or #1305 (Gloss) to increase its resistance to moisture. It may be cleaned with Acetone. In the later 1940's, manufacturers of artists' materials brought out complete lines of improved casein colors in tubes and the technique became quite popular in the United States.
The preceeding information was a selection from Ralph Mayer's book, "Art Terms and Techniques."
Claybord is particularly receptive to this versatile pigment but Gessobord may also be used if a less absorbent surface is required. The smoothness and absorbency of the Claybord surface is very similar to a 'traditional' gesso panel made with chalk and hide glues. Casein requires the use of a rigid surface to prevent cracking and aging. Claybord or Gessobord is the perfect solution to saving you many hours of painstakingly preparing your own panels.
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