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Hi, Lennart,<br>
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How hygroscopic are the plasters, and how do they fare when they get wet?<br>
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You might want to get your geology/ mineralogy curator to do some XRD to identify the components.<br>
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Regards,<br>
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Chris Tacker<br>
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R. Chris Tacker, Ph.D., P.G.<br>
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Curator of Geology<br>
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N.C. Museum of Natural Sciences<br>
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11 West Jones Street<br>
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Raleigh, NC 27601</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu> on behalf of Lennart Lennuk <Lennart.Lennuk@loodusmuuseum.ee><br>
<b>Sent:</b> Thursday, October 22, 2020 7:47:48 AM<br>
<b>To:</b> nhcoll-l@mailman.yale.edu <nhcoll-l@mailman.yale.edu><br>
<b>Subject:</b> [External] [Nhcoll-l] earthen plaster or clay plaster</font>
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<p class="x_MsoNormal"><span style="color:black">Dear all</span></p>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
<p class="x_MsoNormal"><span style="color:black">Do you have any experience about what materials use for collections rooms walls.</span></p>
<p class="x_MsoNormal"><span style="color:black">Is earthen plaster or clay plaster safe for collections?</span></p>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
<p class="x_MsoNormal"><span style="color:black">Best regards!</span></p>
<p class="x_MsoNormal"><span style="color:black">Lennart Lennuk</span></p>
<p class="x_MsoNormal"><span style="color:black">Head of zoology</span></p>
<p class="x_MsoNormal"><span style="color:black">Estonian Museum of Natural History</span></p>
<p class="x_MsoNormal"><span style="color:black">+372 6603404, 56569916</span></p>
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