[Nhcoll-l] [ Ext GC ] Re: Vitrine Seam Failure

[Heidi Mead]

These are acrylic.

From: Callomon,Paul <prc44 at drexel.edu>
Sent: Friday, October 21, 2022 3:49 PM
To: Heidi Mead <heidi.mead at gcsu.edu>; nhcoll-l at mailman.yale.edu
Subject: [ Ext GC ] Re: Vitrine Seam Failure

Are these glass or plastic? If the latter, it sounds like poor bonding. The traditional medium for bonding acrylic sheet is chloroform, but lots of places don't use it any more for obvious reasons...
PC
________________________________
From: Nhcoll-l <nhcoll-l-bounces at mailman.yale.edu<mailto:nhcoll-l-bounces at mailman.yale.edu>> on behalf of Heidi Mead <heidi.mead at gcsu.edu<mailto:heidi.mead at gcsu.edu>>
Sent: Friday, October 21, 2022 1:05:48 PM
To: nhcoll-l at mailman.yale.edu<mailto:nhcoll-l at mailman.yale.edu> <nhcoll-l at mailman.yale.edu<mailto:nhcoll-l at mailman.yale.edu>>
Subject: [Nhcoll-l] Vitrine Seam Failure


External.

Good morning all,



I am wondering if any of you might have some insight into why our expensive vitrines might have suddenly popped open at the seams.

Our housekeeping methods for cleaning cases only involves a very lightly dampened cloth (distilled water). There is no crazing.

12 out of our 20 vitrines are exhibiting gaping at the sides, top, base, or all seams. There does not appear to be any one pattern. All cases are in the same room, some along walls, some centrally located. We do use a data logger and I am hoping that will provide some clues, but I would truly appreciate any thoughts any of you might have.



Thank you for whatever help you might have for us.

Heidi





Heidi F. Mead

FOSSIL PREPARATION

WILLIAM P. WALL MUSEUM OF NATURAL HISTORY

BIOLOGICAL & ENVIRONMENTAL SCIENCES

GEORGIA COLLEGE

102 Herty Hall

478-445-2395

Heidi.mead at gcsu.edu<mailto:Heidi.mead at gcsu.edu>

She/Her/Hers

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