[NHCOLL-L:2996] Sintra PVC archival attributes

kwellspring kwellspring at amherst.edu
Thu Mar 9 10:56:19 EST 2006


Greetings List,

We are considering using a PVC material (produced by Alcan Composites,
marketed under the name Sintra) to line shelves in  closed display cases for
some new exhibits. The MSDS for Sintra lists its components as polyvinyl
chloride, lead compounds, calcium carbonate, titanium dioxide and 15-25%
"other". It is advertised variously as "acid-free" "archivally sound" and as
having "little out gassing".  The cases will contain primarily
vert/invert/paleobotantical fossils, and some osteological material, and
some specimens may be in direct contact with the Sintra liner.

Does anyone have experience in working with Sintra in exhibit cases? Can you
suggest ways in which I could determine whether it is an appropriate inert
material for exhibiting specimens for the next 20 years?

Many thanks,

Kate Wellspring

______________________________
Kate Wellspring
Collections Manager
Amherst College Museum of Natural History (formerly the Pratt Museum)
Amherst College
Amherst MA 01002
(413) 542-2165
www.amherst.edu/museumofnaturalhistory

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