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Pastel on Canvas
Hi,
I don't think I can completely answer your query about pastel on canvas, but maybe I can give you some hints. Pastel will go on any surface that has enough tooth to grab the particles. As they are mainly pigments with some simple binders they will not chemically react with most substrates.
The problem as I see it with large stretched areas, is the negative aspect of a large vibrating surface vis-a vis pastels. You need a relatively stable and rigid surface to successfully protect its adhesion. I have seen pastel dust on the bottom of just about every pastel I have moved.
I work oversize on pastel and know the problems inherent in moving them. I personally avoid canvas, although that would be a lot easier than having large panels made.
There is a thread here on pastels that addresses this very problem. The article is written by the head curator of the National Gallery in Washington.
Sincerely,
Sharon Knettell
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