PTFE ke polytetrafluoroethylene,e tsejoang hape e le Teflon (Teflon), ke thepa filthara mokotla ka ho fetisisa phahameng-qetellongmefuta ea.PTFE mokotla bakeng sa ho hanyetsa maemo a senya, tšebeletsobophelo ba tlhokeho ea thepa ea sefa ea liketsahalo.