MPDI
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Poly(m-phenylene isophthalamide), (Nomex, Teijinconex) MPDI
 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C430 - 435
Density g mL-1 1.38
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 1.5 - 1.8
Thermal ConductivityW / mK  
   
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa  
Tensile Strength, Break at 23 C MPa 590 - 860
Elongation, Yield %  
Elongation, Break % 20 - 45
Tensile Modulus at 23 CMPa 7800 - 12100
Flexural Strength, Yield MPa  
Flexural Modulus  MPa  
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm5 · 10-16
 Dielectric Strength V/mm x 104 1.7 - 3.3
Dielectric Constant @ 60 Hz n/a 1.6 - 3.7
Dissipation Factor @ 60 Hz n/a 0.004 - 0.007
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C 
Water Absorption, 24 hr. Immersion% 5.0 - 9.0
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