Charlie Smith wrote

Hotter temps mean shorter life.  Neoprene ... will reach a temperature
where it will have zero hours of life
and that point may not be readily apparent.

Kevin & Kim wrote:

On the other hand, it may be completely obvious, what with the flames and
all...
Seriously, how about polyurethane?  How do urethane elastomers fare in hot
envronments?
Kevin in Denver

 
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