PEEK Compound: Bearing grade material with 10% graphite,
10% PTFE, and 10% carbon fiber

  Properties ASTM
Test Method
Units Typical Values
Mechanical Tensile Strength D-638 psi 9,400
Tensile Elongation D-638 % @ Break 1.5
Tensile Modulus D-638 psi 1,100,000
Flexural Strength D-790 psi 16,000
Flexural Modulus D-790 psi 900,000
Flexural Strain D-790 % -
Compressive Strength D-695 psi 19,200
Compressive Modulus D-695 psi 330,000
Izod Impact Strength (Notched) D-256 ft-lb/in 0.44
Shear Strength D-732 psi -
Hardness D-2240 Shore D -
Hardness D-785 Rockwell (M) 90
Thermal Heat Distortion Temperature D-648 °F -
Coefficient of Linear
Thermal Expansion
D-696 10-5/°F 3.12
Thermal Conductivity C-177 BTU in/hr-ft2-°F -
Continuous Use (Mechanical) UL746B ° -
Limiting Oxygen Index D-2863 %O2 -
Melt Point DSC °F 649
Electrical Dielectric Strength D-149 KVcm -
Dielectric Constant D-150 50Hz, 200°C -
Volume Resistivity D-257 ohm-cm -
Surface Resistivity D-257 ohm/sq -
Physical Specific Gravity D-792 gm/cm3 1.47
Color - - Black
Filler Content - % 30
Water Absorption (RT 24h) D-570 % 0.06
Typical Level of Crystallinity - % -

Note: Listed properties should be interpreted as typical rather than minimum values. This technical information is presented in good faith and is based upon what is believed to be reliable laboratory data. We cannot guarantee the accuracy or completeness of this information. The responsibility for determining product suitability for any given application lies with the customer.