From the horses mouth:

"An associate is building a SCFE unit and is looking for some PTFE and impregnated PTFE seals. Can you recommend a good source?"


"That’s easy – See McMaster-Carr and consider also Gore-Tex seals (www.mcmaster.com)

For the rare instances we don’t find them in McMaster... typically for larger applications

James E. Dooley & Co.
610-328-2720 (talk with Steve)"