Aging affects on ptfe

[kevlar49]

We have some extruded bar stock of PTFE that has been in storage inside, out of the sun, under fairly dry conditions for several decades. I don't think there are any aging issues, but I thought I should check. Does anyone have any data showing a shelf life for this material?

 

[IRstuff]

Various websites suggest that PTFE has unlimited shelf life in a benign environment:

http://www.satoriseal.com/technical/technical_articles/shelf_life.htm

TTFN
faq731-376

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[EdStainless]

Stores forever, unlike in service.

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Plymouth Tube

 

[hsemus]

ptfe got unlimited shelf life .

UV properties need to considered when designing ..

 

[Ron]

Test it and see if there are any property changes.