GF30-40 Polyetherimide (PEI)
CROW logo

30 - 40 % Glass Fiber Reinforced Polyetherimide (PEI-GF)

 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C354 - 399
Density g mL-1 1.5 - 1.6
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 2.0 - 2.2
Heat Deflection Temperature, 0.5 MPa °C 210
Heat Deflection Temperature, 1.8 MPa °C 207
Thermal ConductivityW / mK 0.26
Rockwell Hardness,  R Scalen/a R123
   
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa 173 - 190
Tensile Strength, Break at 23 C MPa  
Elongation, Yield % 2.3 - 2.6
Elongation, Break %  
Tensile Modulus at 23 CMPa 10700- 13500
Flexural Strength, Yield MPa 246 - 269
Flexural Modulus  MPa 10000 - 13000
Compressive Strength MPa165 - 169
Izod Notched J / m 85 - 101
Izod Unnotched kJ / m2 683 - 694
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm>1012
 Dielectric Strength V/mm x 104 2.0
Dielectric Constant @ 1 MHz n/a 3.9 - 4.0
Dissipation Factor @ 1 MHz n/a 0.005
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C 
Linear Mold Shrinkage cm/cm  
Continuous Service Temperature °C  
Water Absorption, 24 hr. Immersion% 0.18
back to top