Unfilled Polyethersulfone (PES)
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Unfilled Polyethersulfone (PES)

 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C227 - 238
Density g mL-1 1.37
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 4.9 - 5.7
Heat Deflection Temperature, 0.5 MPa °C 210 - 220
Heat Deflection Temperature, 1.8 MPa °C 203 - 204
Thermal ConductivityW / mK0.18 - 0.24
Rockwell Hardness,  R Scalen/a R120 - R127
   
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa  
Tensile Strength, Break at 23 C MPa 83 - 85
Elongation, Yield % 6.5
Elongation, Break % 25 - 80
Tensile Modulus at 23 CMPa 2600
Flexural Strength, Yield MPa 129 - 130
Flexural Modulus  MPa 2550 - 2900
Compressive Strength MPa100 - 109
Izod Notched J / m 85
Izod Unnotched kJ / m2no break
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm 
 Dielectric Strength V/mm x 104 1.5
Dielectric Constant @ 1 MHz n/a 3.54
Dissipation Factor @ 1 MHz n/a 0.003 - 0.006
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C350 - 390
Mold Shrinkage %  
Continuous Service Temperature °C 175 - 200
Water Absorption, 24 hr. Immersion% 0.43
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