It does not look like absorbent material and why should it be outside the dewar and not all over the pucks?

I concur with Jürgen - it does look like gravel.

Às 16:18 de 04/12/2020, Jurgen Bosch escreveu:
That looks like gravel from the driveway where the dewar was tossed around
Jürgen

On Dec 4, 2020, at 11:04 AM, Tanner, John J. <tanne...@missouri.edu <mailto:tanne...@missouri.edu>> wrote:

When we opened our CX100 shipping dewar returned from APS via FedEx this week, we observed what appears to be tiny rocks on the rim below the foam neck core:

https://www.dropbox.com/s/ky09a1vbm9t0mrl/CX100withrocks.png?dl=0 <https://www.dropbox.com/s/ky09a1vbm9t0mrl/CX100withrocks.png?dl=0>

Has anyone seen this before? Is this perhaps the absorbent material from the inside of the dewar?

Thanks,

Jack

John J. Tanner
Professor of Biochemistry and Chemistry
Associate Chair of Biochemistry
Department of Biochemistry
University of Missouri
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503 S College Avenue
Columbia, MO 65211
Phone: 573-884-1280
Email: tanne...@missouri.edu <mailto:tanne...@missouri.edu>
https://cafnrfaculty.missouri.edu/tannerlab/ <https://cafnrfaculty.missouri.edu/tannerlab/>
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