Unfilled Polyetheretherketone (PEEK)
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Unfilled Polyetheretherketone (PEEK)
 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C343 - 387
Density g mL-1 1.33
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 4.5 - 5.5
Heat Deflection Temperature, 0.5 MPa °C -
Heat Deflection Temperature, 1.8 MPa °C 152 - 172
Thermal ConductivityW / mK0.29
Rockwell Hardness,  M Scalen/a M100 - M124
   
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa 100 - 115
Tensile Strength, Break at 23 C MPa -
Elongation, Yield % -
Elongation, Break % 15 - 45
Tensile Modulus at 23 CMPa 3725
Flexural Strength, Yield MPa 165 - 185
Flexural Modulus  MPa 4065 - 4275
Compressive Strength MPa120
Izod Notched kJ / m2 4.4 - 7.6
Izod Unnotched kJ / m2no break
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm 
 Dielectric Strength V/mm x 104 2.5 - 3.3
Dielectric Constant @ 1 MHz n/a 2.8 - 3.3
Dissipation Factor @ 1 MHz n/a 0.001 - 0.005
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C370 - 400
Mold Shrinkage % 1.0 - 1.3
Continuous Service Temperature °C 220 -250
Water Absorption, 24 hr. Immersion% 0.05 - 0.2
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