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Subject: Non-aqueous mortar

Non-aqueous mortar

From: Shelley Sass <sass>
Date: Wednesday, September 11, 1996
Ellen Pearlstein, Objects Conservator at the Brooklyn Museum, has
posed this question about mortar alternatives to me. I am interested
in mortar materials but had no immediate suggestions.  Maybe someone
has a recommendation.  Responses may be through the list and I will
forward to her, or directly to Ellen Pearlstein, Brooklyn Museum,
200 Eastern Parkway, Brooklyn, NY 11238.

Has anyone developed a non-aqueous "mortar" that can be safely used
on ancient limestone with soluble salts.  Specifically, I will be
needing to fill large, structural losses in limestone statuary
outdoors, on site in Egypt.  I will need to be able to carve and
model my fill material.  While I am planning to try to use
replacement limestone for the "bulk" of the fill, I am wondering
whether there is a non-aqueous fill that has the working properties
of plaster or mortar and is durable.  Pure water is a limited
commodity in Egypt, and while mortars and cements are used often, I
would prefer not to expose the statuary to water, if possible.

                  Conservation DistList Instance 10:27
               Distributed: Wednesday, September 11, 1996
                       Message Id: cdl-10-27-006
Received on Wednesday, 11 September, 1996

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