Re: What if you were designing Huygens II

Cray74_at_gmail.com
Date: 01/24/05 

To: sci-space-tech@moderators.isc.org
Date: 24 Jan 2005 05:41:42 -0800

Andrew Nowicki wrote:
> Do you know any plastic that works at cryogenic
> temperatures and is as strong as the Teonex?

Kevlar reportedly retains its properties at cryogenic temperatures.
Perhaps a nylon balloon with kevlar fiber
reinforcement would do.

It also looks like polyethylene (PE), a favored high altitude balloon
material, is used in shatterproof dewar flasks. (And I do recall trying
to shatter a PE funnel on a tile floor after using the funnel to fill a
flask with several gallons of liquid nitrogen. No luck, though it
bounced pretty high.) One maker of the material claims PE works well at
cryogenic temperatures.

Mike Miller, Materials Engineer

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