no affiliation, usual disclaimer
http://www.rescuetape.com/?gclid=COrxkrLgnqgCFQli2godZlIGHgI've had the occasion to use this stuff 3 times on my big truck once for a return line for coolant (non pressurized) once for a wiring harness that travels over my exhaust and the plastic protector deteriorated (good for up to 500 degrees) and most recently and most impressively as a patch on a copper airline and it held back 120 PSI (with the help of a simple hose clamp) the airline patch held for an additional 4000 miles.
$12.00 at truck stops MUCH cheaper at other retailers
