PEEK® Unfilled (polyetheretherketone)

PEEK is a crystalline high temperature thermoplastic which offers excellent thermal and chemical resistant properties and outstanding resistance to abrasion and dynamic fatigue.

Material Specifications
Physical Properties Units Test PEEK
Density lb/in.3
g/cm3		 D792 0.047
1.31
Water Absorption % D570 0.10
Mechanical Properties Units Test PEEK
Tensile Strength psi D638 16,000
Tensile Modulespsi
 D638 500,000
Tensile Elongation at Break Tensile % D638 20
Flexural Strength psi
 D790 25,000
Flexural Modulus psi (Kpsi) D790 600,000
Compressive Strength psi D695 20,000
Compressive Modulus psi D695 500,000
Hardness Rockwell (Shore D) - D785 M100
Izod Impact Notched ft. - lb./in. D256 1.0
Thermal Properties Units Test PEEK
Coefficient of Linear
Thermal Expansion 		10-5 in./in./°F D696 2.6
Heat Deflection Temperature at 264 psi °F/°C D648 320 / 160
Melting Temperature°F/°C D3418 644 / 340
Max. Use Temperature°F/°C - 480 / 249
Thermal Conductivity BTU- in./ft.2-hr.- °F
x10 - 4 cal/cm - sec. - °C		 C177 1.75
6.03
Flammability Rating - UL94 V-0
Electrical Properties Units Test PEEK
Dielectric Strength (V-mil) D149 480
Dielectric Constant at 1 MHz (60Hz) D150 3.30
Dissipation Factor at 1 MHz (60Hz) D150 0.003
Volume Resistivity (ohm - cm) at 50% RH D257 4.9 X 1016

The information supplied is not to be taken as a warranty or representation for which Technical Products, Inc. assumes legal responsibility, is offered solely for your consideration, investigation and verification. All risk of use, singly or in combination with other products, whether or not in accordance with the instructions, directions or suggestions is borne by the user.