PolyEtherEtherKetone (PEEK) belongs to the high-performance polymers and is a member of the PAEK (Poly Aryl Ether Ketones) family of polymers, a family with over 300 members but only a handful of which have been commercialized. VICTREX™ PEEK is ideally suited to extreme and demanding environments. While alternative materials can meet specific needs, PEEK can support multiple requirements.