Posted for "Scott & Paula" <spdahlgren@attbi.com>:

I have been testing some THV Fluoropolymer Tubing at work. Looks and feels
just like vinyl tubing but is a new grade of Teflon. It might be a good
replacement for Tygon in the cockpit. You may want to look into it. We got
ours through http://www.Mcmaster.com