ISO 9001:2015 Certified | Cage Code: 7L0f6

TYPICAL PROPERTIES of PEEK UNFILLED GRADE

ASTM or UL test Property Unfilled
PHYSICAL
D792 Density (lb/in³)
(g/cm³)
0.047
1.31
D570 Water Absorption, 24 hrs (%) 0.10
D638 Tensile Strength (psi) 16,000
D638 Tensile Modulus (psi) 500,000
D638 Tensile Elongation at Break (%) 20
D790 Flexural Strength (psi) 25,000
D790 Flexural Modulus (psi) 600,000
D695 Compressive Strength (psi) 20,000
D695 Compressive Modulus (psi) 500,000
D785 Hardness, Rockwell M100 (R126)
D256 IZOD Impact Notched (ft-lb/in) 1.0
THERMAL
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
2.6
D648 Heat Deflection Temp (°F / °C)
at 264 psi
320 / 160
D3418 Melting Temp (°F / °C) 644 / 340
Max Operating Temp (°F / °C) 480 / 249
C177 Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10-4 cal/cm-sec-°C)
1.75
6.03
UL94 Flammability Rating V-0
ELECTRICAL
D149 Dielectric Strength (V/mil) short time, 1/8″ thick 480
D150 Dielectric Constant at 1 MHz 3.30
D150 Dissipation Factor at 1 MHz 0.003
D257 Volume Resistivity (ohm-cm) at 50% RH 4.9 x 1016

NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets.