At 08:45 AM 1/29/99 -0500, Mark Nielsen, Exhibit Designer/Preparator,
University of Michigan Museum of Art, wrote:
>I wonder if there is anything the rubber might react to as well, like oil
in the pigment?
Mr. Nielson (and other interested parties): When rubber and petroleum jelly
interact, the rubber dissolves. I'm
not sure how long this process
takes, but it does happen.
Steve Catoe
Volunteer
South Carolina Cotton Museum