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Subject: Art Sorb

Art Sorb

From: Carol Clausen <carol_clausen>
Date: Thursday, January 7, 1993
Has anyone used Art-Sorb silica gel in exhibit cases? It is supposed to
be conditioned to 50% humidity and a full package (approx. 1 lb. 11 oz.)
should regulate 1 cubic meter. Our cases are approx. 2/3 cubic meter,
but one package (or even 2) has had no appreciable effect. The humidity
has stayed the same as in a neighboring case which has no silica gel
(approx. 35% in winter and 55% in summer). The cases are not absolutely
airtight, but air exchange is very slow.

                  Conservation DistList Instance 6:35
                 Distributed: Thursday, January 7, 1993
                        Message Id: cdl-6-35-008
Received on Thursday, 7 January, 1993

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