Nomex Aromatic Polyamide Paper is a flame-resistant meta-aramid, related to nylon but with aromatic backbones which make it more rigid and durable.

MechanicalASTM Test MethodValueUnits
Strength to Weight Ratio--ksi
Specific Gravity @73 FD7920.7 - 1.2-
Tensile Strength @73 F, (ult)/(yld)D638-psi
Tensile Modulus of Elasticity @73 FD638-psi
Tensile Elongation at Break @73 FD638-%
Flexural Strength @73 FD790-psi
Flexural Modulus of Elasticity @73 FD790-psi
Shear Strength @73 FD732-psi
Comprehensive Strength, (% Deformation) @73 FD695-psi
Comprehensive Modulus of Elasticity @73 FD695-psi
Hardness, Rockwell, Scale as noted @73 FD785--
Hardness, Durometer, Shore D @73 FD2240--
Izod Impact, (Notched) @73 FD256 Type A-ft-lb/in of notch
Coefficient of Friction, (Dry vs Steel) Dynamic---
Limiting PV, (with 4 to 1 factor of safety applied)--psi-ft/min
ThermalASTM Test MethodValueUnits
Coefficient of Linear Thermal Expansion @73 FE-831 (TMA)-in/in/F
Heat Deflection Temperature @264 psiD648-F
Tg-Glass transition termperature, (Amorphous)D3418-F
Melting Point, (VS=Vicat Softening Temp.)D3418-F
Continuous Service Temperature in Air, (Max.)--F
Thermal Conductivity--BTU-in/hr-ft2-F
ElectricASTM Test MethodValueUnits
Dielectric Strength, Short TermD149815Volts/mil
Volume ResistivityD2572.0 E+16ohm-cm
Dielectric Constant @10E6 HzD1502.7-
Dissipation Factor @10E6 HzD1500.006-
Flammability @3.1 mm unless notedUL94--
H2OASTM Test MethodValueUnits
Water Absorption, Immersion, 24 hoursD570(7)-% by weight
Water Absorption, SaturationD570(7)-% by weight