20GF Polyethersulfone (PES)
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20% Glass-Fiber Reinforced Polyethersulfone (PES)

 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C227 - 238
Density g mL-1 1.5 - 1.51
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 2.0 - 4.8
Heat Deflection Temperature, 0.5 MPa °C 218
Heat Deflection Temperature, 1.8 MPa °C 210 - 220
Thermal ConductivityW / mK 0.22
Rockwell Hardness,  R Scalen/a R134
   
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa  
Tensile Strength, Break at 23 C MPa 105 - 125
Elongation, Yield % 2.5 - 3.2
Elongation, Break % 3.0 - 3.2
Tensile Modulus at 23 CMPa 5600 - 7300
Flexural Strength, Yield MPa 172
Flexural Modulus  MPa 5200 - 5990
Compressive Strength MPa151
Izod Notched J / m 59 - 80
Izod Unnotched kJ / m2 431 - 640
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm 
 Dielectric Strength V/mm x 104 1.7
Dielectric Constant @ 1 MHz n/a 3.9 - 4.2
Dissipation Factor @ 1 MHz n/a 0.008 - 0.01
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C350 - 390
Mold Shrinkage %  
Continuous Service Temperature °C 175 - 200
Water Absorption, 24 hr. Immersion% 0.36 - 0.6
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