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Polyetheretherketone (PEEK)
Material Properties
Compressive (Crushing) Strength: 120 to 300 MPa (17 to 44 x 103 psi)
Density: 1.32 to 1.51 g/cm3 (82 to 94 lb/ft3)
Elastic (Young's, Tensile) Modulus: 4 to 24 GPa (0.6 to 3.5 x 106 psi)
Electrical Resistivity Order of Magnitude: 3 to 14 10x Ω-m
Elongation at Break: 1.3 to 50 %
Flexural Modulus: 3.7 to 24 GPa (0.54 to 3.5 x 106 psi)
Flexural Strength: 160 to 345 MPa (23 to 50 x 103 psi)
Glass Transition Temperature: 145 °C (290 °F)
Heat Deflection Temperature: At 1.82 MPa (264 psi): 160 to 316 °C (320 to 600 °F)
Limiting Oxygen Index (LOI): 38 %
Melting Onset (Solidus): 340 °C (640 °F)
Shear Strength: 50 to 100 MPa (7.3 to 15 x 103 psi)
Specific Heat Capacity: 1240 to 1700 J/kg-K
Tensile Strength: Ultimate (UTS): 92 to 230 MPa (13 to 33 x 103 psi)
Thermal Conductivity: 0.25 to 0.93 W/m-K
Thermal Expansion: 15 to 48 µm/m-K
Water Absorption: After 24 Hours: 0.06 to 0.5 %
Water Absorption: At Saturation: 0.22 to 0.5 %
See Also
ASTM F 2026: Standard Specification for Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications
Modern Plastics Handbook, Charles A. Harper (editor), 1999
Plastics Materials, 7th ed., J. A. Brydson, 1999
SPI Plastics Engineering Handbook of the Society of the Plastics Industry, Inc., 5th ed., Michael L. Berins (editor), 2000