I curved the PTFE strip cold by hand enough to fit into the hose clamp, then heated it to tighten the curve, and chilled it to set it. Then I cut it for length, and put it back into the clamp for another hot cycle to relax it into a smooth curve.
PTFE (Teflon) sheet 
![20180426_162452.jpg I curved the PTFE strip cold by hand enough to fit into the hose clamp, then heated it to tighten the curve, and chilled it to set it. Then I cut it for length, and put it back into the clamp for another hot cycle to relax it into a smooth curve.
[url=https://www.amazon.com/dp/B00CPRELXI/]PTFE (Teflon) sheet[/url]](https://www.supermotors.net/getfile/1132395/fullsize/20180426_162452.jpg)