Unfilled Polyetheretherketone (PEEK)
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ETFE (Polytetrafluoroethylene/ethylene)
 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C265 - 267
Density g mL-1 1.71 - 1.73
Coefficient of Thermal Expansioncm / (cm °C)  
Heat Deflection Temperature, 0.5 MPa °C  
Heat Deflection Temperature, 1.8 MPa °C  
Thermal Conductivity x 10-5W / mK  
Rockwell Hardness,  D Scalen/a D66 - D67
    
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa 22.9 - 26
Tensile Strength, Break at 23 C MPa 45 - 51
Elongation, Yield % 200 - 375
Elongation, Break % 425
Tensile Modulus at 23 CMPa 840- 1150
Flexural Strength, Yield MPa  
Flexural Modulus  MPa 1000 - 1380
Compressive Strength MPa 
Izod Notched J / m  
Izod Unnotched J / m No Break
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm 
 Dielectric Strength V/mm x 104 5.9
Dielectric Constant @ 1 MHz n/a 2.47 - 2.58
Dissipation Factor @ 1 MHz n/a, x 10-4 55
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C 
Mold Shrinkage %  
Continuous Service Temperature °C 150 - 155
Water Absorption, 24 hr. Immersion% 0.03 - 0.11
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