Polyetheretherketone (PEEK) is a semicrystalline high-performance thermoplastic that offers exceptionally high strength and toughness over a wide range of temperatures. PEEK maintains its properties when exposed to temperature extremes, moisture, chemical attack or physical stress.

Specific gravity	0.0473 lb./in.3 (1.31 g/cc)	0.0473 lb./in.3 (1.31 g/cc)
Melting point	437°F (225°C)	437°F (225°C)
Glass transition temperature	140°F (60°C)	140°F (60°C)
Tensile strength at break	Not Available	Not Available
Elongation at break	200%	200%
Hardness durometer (Shore A)	Not Applicable	Not Applicable
Hardness durometer (Rockwell M)	78	78
Water absorption @ 24 hours	0.09%	0.09%
Sterilization	Ethylene oxide (EtO) Gamma and E-beam radiation Steam autoclaving

This material data sheet is presented for reference only. For a specific application and environment, characteristics and performance may vary. Product design and suitability for use are the sole responsibility of Microspec’s customer. Microspec strongly urges customers to consult with the material manufacturer.