Increasing humidity

Shelley Howe <artchic68 [at] yahoo__com> writes

>I am trying to raise the humidity levels in my temporary exhibit
>space for an upcoming exhibit that will include a bunch of leather
>cowboy boots with decorative stitching etc. It has been suggested
>that I use Silica Gel in enclosed cases. Is there some sort of
>protocol for me to follow? ...

You can use preconditioned silica gel to establish just about any
humidity you desire.  We often need to condition our samples to 75%
RH.  We use

    Art Preservation Services
    315 East 89th Street
    New York NY  10128
    212-722-6300

They can prepare the conditioned silica gel to most humidities. Good
luck,

ElizaBeth Bede Guin
DuPont Environmental and Materials Research Fellow
National Center for Preservation Technology and Training
645 College Avenue
Natchitoches LA 71457


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                  Conservation DistList Instance 16:73
                  Distributed: Thursday, May 22, 2003
                       Message Id: cdl-16-73-006
                                  ***