What is the affect of folding a PTFE Sheet repetitively? Would it cause the material to harden?

11 November 2017 1 398 Report

Multiple webpages (Including Wiki) state that FEP & PTFE do not withstand repetitive folding. Is the statement correct? and what would be the effect on the materials characteristics?

Peter Farrington

This paper has a very nice discussion of the mechanical properties of PTFE

https://doi.org/10.1016/j.polymertesting.2011.07.004

Mechanical behavior of polytetrafluoroethylene in tensile loading under different strain rates

L.C.S. Nunes, F.W.R. Dias, H.S. da Costa Mattos

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