PEEK (polyether ether ketone), pulasitiki yapadera yaukadaulo ya semi-crystalline, ili ndi maubwino monga mphamvu yayikulu, kukana kutentha kwambiri, kukana dzimbiri, komanso kudzipaka mafuta. PEEK polima amapangidwa kukhala zinthu zosiyanasiyana za PEEK, kuphatikiza PEEK granule ndi PEEK ufa, womwe umagwiritsidwa ntchito popanga mbiri ya PEEK, magawo a PEEK, ndi zina. Magawo olondola a PEEK awa amagwiritsidwa ntchito kwambiri mu petroleum, magalimoto, ndege ndi zina.
PEEK CF30 ndi 30% ya PEEK yodzazidwa ndi kaboni yomwe imapangidwa ndi KINGODA PEEK. Kulimbitsa kwake kwa carbon fiber kumathandizira kuti zinthuzo zikhale zolimba kwambiri. Mpweya wa carbon CHIKWANGWANI analimbitsa PEEK amasonyeza mkulu kwambiri mawotchi mphamvu values.Komabe, 30% mpweya CHIKWANGWANI analimbitsa PEEK(PEEK5600CF30,1.4±0.02g/cm3) amapereka m'munsi kachulukidwe kuposa 30% galasi CHIKWANGWANI wodzazidwa peek(PEEK5600GF30,1.5 ± 0cm30). Kupatula apo, ma kaboni fiber composites amakonda kukhala osapsa kwambiri kuposa ulusi wagalasi pomwe nthawi imodzi imapangitsa kuti mavalidwe amveke bwino komanso kugundana. Kuphatikizika kwa ulusi wa kaboni kumatsimikiziranso kuchuluka kwa kutentha komwe kumakhala kopindulitsa pakuwonjezera gawo la moyo pamapulogalamu otsetsereka. PEEK yodzazidwa ndi kaboni imathandizanso kwambiri kukana hydrolysis m'madzi otentha komanso nthunzi yotentha kwambiri.