Unfilled Polyetheretherketone (PEEK)
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FEP (Polytetrafluoroethylene-hexafluoropropylene)
 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C260
Density g mL-1 2.15
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 D55 - D57
    
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa 13.1 - 14
Tensile Strength, Break at 23 C MPa 20 - 34
Elongation, Yield % 325
Elongation, Break % 350
Tensile Modulus at 23 CMPa 520 - 600
Flexural Strength, Yield MPa  
Flexural Modulus  MPa 550 - 655
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 6.3
Dielectric Constant @ 1 MHz n/a 2.03
Dissipation Factor @ 1 MHz n/a, x 10-4 6.1
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C 
Mold Shrinkage %  
Continuous Service Temperature °C 205
Water Absorption, 24 hr. Immersion% 0.01
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