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<p class="MsoNormal">Dear Sergio, </p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I fully agree with Mariana’s recommendation of Paraloid B-72. As she notes cyanoacrylates and epoxies are too strong, with a tendency to discolor. Epoxies are difficult to reverse and remove. PVA’s (like white glue) are designed for paper
and wood and will expand and contract with fluctuations in relative humidity. They have what is called cold flow, which means that they will shift as the environment changes.
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am available to chat as well. But Mariana’s advice to find a local conservator who can advise you on local options is excellent.
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Good Luck!<br>
Gretchen Anderson</p>
<p class="MsoNormal">Conservator, <br>
Carnegie Museum of Natural History</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="border:none;padding:0in"><b>From: </b><a href="mailto:maru.digi@gmail.com">Mariana Di Giacomo</a><br>
<b>Sent: </b>Friday, January 14, 2022 11:00 AM<br>
<b>To: </b><a href="mailto:sergio.montagud@gmail.com">Sergio Montagud</a><br>
<b>Cc: </b><a href="mailto:nhcoll-l@mailman.yale.edu">NHCOLL-new</a><br>
<b>Subject: </b>Re: [Nhcoll-l] Skeletons assembly</p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Dear Sergio,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I would recommend the use of a museum-grade (also referred to as archival quality) adhesive for any museum related purposes. For this reason, Paraloid B72 is an excellent choice. There are others out there and we can continue to chat if
you wish, but my other recommendation would be to speak to a local conservator who can guide you to find the best one(s) in your area.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Adhesives such as cyanoacrylates and epoxies are too strong for recent bone and can cause damage in the long run.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Let me know if you want to chat further.<o:p></o:p></p>
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<p class="MsoNormal">Saludos,<o:p></o:p></p>
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<p class="MsoNormal">Mariana<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Fri, Jan 14, 2022, 06:43 Sergio Montagud <<a href="mailto:sergio.montagud@gmail.com">sergio.montagud@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="ES-TRAD" style="font-size:16.0pt;font-family:"Arial",sans-serif"> </span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:16.0pt;font-family:"Arial",sans-serif">Dear all,</span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:16.0pt;font-family:"Arial",sans-serif"> </span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:16.0pt;font-family:"Arial",sans-serif">We are looking the best type of glue to use for assembly skeletons and standarize a protocol. Many of our specimens
come from students' work, who have used mostly the Loctite glue (instant glue) for small animals like birds, reptiles, rodents and bats. Other animals like large mammals or prey raptors has been mounted with Epoxi glue, that mixed two components and remains
very fixed. But this mix is dark color. Other pieces in the paleontology collection are join with Paraloid with high concentration.</span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:16.0pt;font-family:"Arial",sans-serif"> </span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:16.0pt;font-family:"Arial",sans-serif">What cain of glue do you recommended for setting skeletons and join bones as principal protocol?</span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:16.0pt;font-family:"Arial",sans-serif"> </span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:16.0pt;font-family:"Arial",sans-serif">Is there any well-documented work or reference where all this information is indicated?</span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:16.0pt;font-family:"Arial",sans-serif"> </span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="ES-TRAD" style="font-size:16.0pt;font-family:"Arial",sans-serif">Thanks in advance!</span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="ES-TRAD" style="font-size:16.0pt;font-family:"Arial",sans-serif"> </span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="ES-TRAD" style="font-size:16.0pt;font-family:"Arial",sans-serif">Sergio</span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="ES-TRAD" style="font-size:16.0pt;font-family:"Arial",sans-serif"> </span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="ES-TRAD" style="font-family:"Arial",sans-serif;color:black">--<br>
</span><span lang="ES-TRAD" style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black">********************************<br>
Sergio Montagud Alario<br>
Museu [UV] Hisṭria Natural<br>
Universitat de València<br>
e-mail:<span class="m4045090963829103364apple-converted-space"> </span></span><span lang="ES-TRAD" style="font-size:14.0pt"><a href="mailto:sergio.montagud@uv.es" target="_blank"><span style="font-family:"Arial",sans-serif;color:#3333CC">sergio.montagud@uv.es</span></a></span><span lang="ES-TRAD" style="font-size:14.0pt;font-family:"Arial",sans-serif;color:black"><br>
********************************</span><span lang="ES"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="ES-TRAD" style="font-size:16.0pt;font-family:"Arial",sans-serif"> </span><span lang="ES"><o:p></o:p></span></p>
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