I am working with ozone produced with an ozone generator and pure oxygen.
The resulting O2 / O3 gas mixture is probably about 80-85% O2 and up to 15-20% O3.
The generator does produce about 500g of O3 per hour.
Currently I am using PTFE tubes to bring the O3 where it is needed.
However I am not happy with the mechanical properties of the PTFE tubes, as they are stiff and as a result they are uneasy to work with.
I have found now that EPDM tubes are way easier to work with, but I have doubts about their resistance to O3.
While many datasheets and Wikipedia do tell that EPDM is resistant to O3, I question if it is really resistant to extreme high concentrations of O3 on the long run.
Switching from PTFE to EPDM in the future would be a good thing as EPDM is also cheaper and easier to work with.
Does anyone here have experience with high concentrated O3 and EPDM?