Waraaqaha PTFE ee la beddelay si ay u daboolaan baahida macaamiisha xaaladaha kala duwan ee shaqada, ayna yareeyaan kharashka. Cilmi-baarista iyo naqshadeynta baqshadaha la bedelay.
Kaxite ayaa balaariyay xaashida PTFE sida GORE, KLINGER, TEADIT, iwm. Waa qalab guud oo gaas ah oo loogu talagalay adeegyadda intooda badan, xakamaynaya dusha sare iyo aan joogto ahayn.