Igama lesiTshayina le-PEEK libizwa ngokuba yi-polyether ether ketone. Isetyenziswe ngokubanzi kwi-aerospace, amayeza, amayeza kunye namashishini okulungisa ukutya, afana ne-gas analyzer yesakhiwo kunye nokutshintshana kobushushu kwiisathelayithi. Ngenxa yokuchasana kwayo okugqwesileyo, iye yaba yinto efanelekileyo kwintsimi yokusetyenziswa kwe-friction, efana nokuthwala i-roller, i-sliding bear, isihlalo sevalve, ukutywina umsesane, umsesane wokunxiba impompo, njl.