I used to work for W. L. Gore. As you know PTFE (Teflon) is a non
When I worked in the wire wrap department, if you did multi
insulations with wire and the first wrap was PTFE, used to have to
treat the wrap with a pretty harsh chemical for the second wrap to
stay on (proprietary).
In the early days when you would sew Gortex together, they had a
substance that had to be applied to the holes the needles went
through, it was called seam sealer. I don't know if they still sell
it, or if it was an adhesive.
Now, I think when they bond two surfaces together they do it with a
special adhesive (proprietary) and use heat.
This of course only applies if it is a two layer application, the
fabric and the PTFE. Otherwise if it's fabric to fabric, I have no
They are friendly folks there, just call them. It's been over 12
years since I worked there, but I believe the "Gore Tex" plant is in
The web site is "www.wlgore.com"