[RASMB] centerpiece info

[Laue, Thomas]

Hi-
Yes, they are Kel-F and rated for a much lower rotor speed because the Kel-F is soft. They aren't dangerous at high speeds, but they do get ruined.
Maybe Walter can remember the top speed- my recollection is 40K.
Best wishes,
Tom

-----Original Message-----
From: RASMB [mailto:rasmb-bounces at list.rasmb.org] On Behalf Of Chad Brautigam
Sent: Wednesday, July 15, 2015 3:00 PM
To: schirfv at biochem.uthscsa.edu; rasmb at list.rasmb.org
Subject: Re: [RASMB] centerpiece info

Hi, Virgil,

You might want to try a dive into the RASMB archives; these are apparently Kel-F/Al centerpieces and according to Marc Lewis, they were discontinued because the Kel-F could dislodge from the Al.  Sounds like it's not worth the risk.

Best,
Chad

-----Original Message-----
From: RASMB [mailto:rasmb-bounces at list.rasmb.org] On Behalf Of Virgil Schirf
Sent: Wednesday, July 15, 2015 1:50 PM
To: rasmb at rasmb.org
Subject: [RASMB] centerpiece info

Good afternoon,

I found some centerpieces that look like epon-charcoal wrapped with what I presume to be an aluminum edge. The part number is 331430 but I can't find it listed on the Beckman website. Does anyone have any information on these centerpieces - max speed, dimensions same as current epon-charcoal or not, etc? They appear to be in excellent condition.

Thank you,

Virgil



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Virgil Schirf
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