We have been requested PTFE named "Flexon" for valves.
Somebody knows this type or anyway registered TM (probably?).
There is a lot of PTFE availbale in the market and I would understand if it is really special o dedicated for some application.
vonbixadmiral
The traditional tests according ASTM G 98 (91) may be useful, but it is only qualitative for a generic overview.
The main parameters are or may be: "specific pressure onto the surfaces,velocity,materials,temperature"; the function has a certain complexity and you have to study more dedicated...
