Coefficient of thermal expansion for NBR (Nitrile-Butadiene Rubber) 1

[TVP]

Does anyone have any data for the coefficient of thermal expansion of NBR? The durometer would be ~ 75 Shore A.

 

[Flesh]

Per Machine Design Handbook, CTE is:
39 x 10-5 per degree F (cubic).

 

[CoryPad]

MIL-HDBK-149B lists it as 112 [·] 10^-6 K^-1

Regards,

Cory

Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.

 

[TVP]

Thank you both for the information. It was very useful.