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A thermoplastic, aromatic polyester. Polyetheretherketone, or PEEK, is a tough, durable, heat-resistant polymer. Polyetheretherketone is used for aerospace applications and for electronics.

See also polyarylate.

Synonyms and Related Terms

PEEK; poli(ter-ter-cetona) (Esp.); polyetheretherketone (Fr.); Vestakeep [Evonik Degussa]; Ketron [Quadrant]; Ketaspire [Solvay]



Other Properties

Resistant to chemicals and most solvents.Attacked by chlorinated solvents.

Sources Checked for Data in Record

  • Hoechst Celanese Corporation, Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
  • Theodore J. Reinhart, Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988