Technical Info South Africa

Plastic Material Properties of Polyetherimide

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Comparative Properties of Polyethermide

Polyetherimide  
Specific Gravity 1.27
Shrinkage,in/in,1/8 in. thick 0.0050
Shrinkage,in/in,1/4 in.thick 0.0070
Water Absorption,% 24hrs 0.250
MECHANICAL
Impact,Izod,Notched (Ft-Lb/In) 1.00
Impact,Izod,Unnotched(Ft-Lb/In) 25.00
Tensile Strength (Psi) 15,000
Tensile Elongation (%) 7.500
Tensile Modulus (Psi x E+6) 0.43
Flexual Strength (Psi) 21,000
Flexural Modulus (Psi x E+6) 0.48
Compressive Strength (Psi) 20,000
Hardness (Rockwell R) 120.0
ELECTRICAL
Dielectric Strength (V/Mil) 500
Dielectric Constant(@ 1 MC dry) 3.20
Dissipation Factor(@ 1 MC dry) 0.004
Arc Resistance (sec) NA
Volume Resistivity(ohm-cm)10E## 17.0
THERMAL
Heat Deflection Temp 264 psi(F) 392
Heat Deflection Temp 66 psi(F) 410
Flammability V0
Thermal Expansion (In/In/F)xE-5 3.100
Thermal Conductivity 1.5
WEAR
Wear Factor NA
U L yellow card NO

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