Igama lesiShayina le-PEEK libizwa nge-polyether ether ketone. Isetshenziswe kabanzi ezimbonini ze-aerospace, zezokwelapha, zemithi nezokucubungula ukudla, njengezingxenye zesakhiwo sokuhlaziya igesi kanye nezishintshisi zokushisa kumasathelayithi. Ngenxa yokumelana kwayo okuhle kakhulu nokungqubuzana, isiphenduke into efanelekile emkhakheni wesicelo sokungqubuzana, njengokuthwala i-roller, i-sliding bear, isihlalo se-valve, indandatho yokuvala, indandatho yokugqoka ipompo, njll.