PEEK Compound: Bearing grade material with 7% graphite, 8% PTFE, and 15% carbon fibers.

  Properties ASTM
Test Method
Units Typical Values
Mechanical Tensile Strength D-790 psi 9,700
Tensile Elongation DIN EN ISO 527-1 % @ Break 1.4
Tensile Modulus D-638 psi 1,200,000
Flexural Modulus D-790 psi 1,100,000
Compressive Strength D-695 psi 21,200
Compressive Modulus D-695 psi 500,000
Izod Impact Strength (Notched) D-256 ft-lb/in 0.60
Shear Strength D-732 psi 10,300
Hardness D-2240 Shore D 88
Hardness D-785 Rockwell (M) -
Thermal Heat Distortion Temperature D-648 °F >455
Coefficient of Linear
Thermal Expansion
E-831 10-6/°F -
Thermal Conductivity C-177 BTU in/hr-ft2-°F -
Continuous Use (Mechanical) UL746B ° -
Glass Transition DSC °F 289
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 <104
Physical Specific Gravity D-792 gm/cm3 1.45
Color - - Black
Filler Content - % 30
Water Absorption (RT 24h) D-570 % 0.07
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.