Torlon Polyamideimide Materials are thermosetting or thermoplastic amorphous polymers that have exceptional mechanical, thermal and chemical resistant properties. Some other trade names for Polyamideimide materials are Duratron®, PAI and Tecator.

Torlon 4503Torlon 4203Torlon 4203LTorlon 4501Torlon 4301Torlon 4301Torlon 5530Torlon 5030
MechanicalASTM Test MethodCompression Molded PolyamideimideExtruded PolyamideimideInjection Molded PolyamideimideCompression Molded Bearing PolyamideimideExtruded Bearing Grade PolyamideimideInjection Molded Bearing PolyamideimideCompression Molded 30% Glass-filled PolyamideimideInjection Molded 30% GF PolyamideimideUnits
Strength to Weight Ratio---------ksi
Specific Gravity @73 FD7921.401.411.411.451.451.451.611.60-
Tensile Strength @73 F, (ult)/(yld)D63818,000 (ult)18,000 (ult)22,000 (ult)10,000 (ult)12,000 (ult)19,00014,000 (ult)24,000 (ult)psi
Tensile Modulus of Elasticity @73 FD638500,000600,000600,000440,000900,000760,000500,0001,200,000psi
Tensile Elongation at Break @73 FD638551533734%
Flexural Strength @73 FD79024,00024,00028,00020,00031,00025,00020,00036,000psi
Flexural Modulus of Elasticity @73 FD790600,000600,000700,000650,0001,000,000750,000800,0001,000,000psi
Shear Strength @73 FD732-16,00015,000-16,40013,000-24,500psi
Comprehensive Strength, (% Deformation) @73 FD69517,000 (10)28,000 (10)32,000 (10)18,000 (10)24,000 (10)24,000 (10)18,000 (10)38,000 (10)psi
Comprehensive Modulus of Elasticity @73 FD695350,000700,000700,000350,000950,000950,000350,000600,000psi
Hardness, Rockwell, Scale as noted @73 FD785M119 (E80)M120 (E80)M120 (E80)M106 (E70)M106 (E70)M106 (E70)M120 (E77)M125 (E77)-
Hardness, Durometer, Shore D @73 FD2240D90--D90--D90--
Izod Impact, (Notched) @73 FD256 Type A1.52.02.50.50.81.10.71.3ft-lb/in of notch
Coefficient of Friction, (Dry vs Steel) Dynamic-0.300.270.350.200.200.200.200.19-
Limiting PV, (with 4 to 1 factor of safety applied)--17,500-22,50022,50030,00020,000-psi-ft/min
ThermalASTM Test MethodCompression Molded PolyamideimideExtruded PolyamideimideInjection Molded PolyamideimideCompression Molded Bearing PolyamideimideExtruded Bearing Grade PolyamideimideInjection Molded Bearing PolyamideimideCompression Molded 30% Glass-filled PolyamideimideInjection Molded 30% GF PolyamideimideUnits
Coefficient of Linear Thermal Expansion @73 FE-831 (TMA)1.5 E-051.7 E-051.7 E-052.0 E-051.4 E-051.4 E-052.5 E-051.0 E-05in/in/F
Heat Deflection Temperature @264 psiD648532532532534534534520539F
Tg-Glass transition termperature, (Amorphous)D3418527527527527527527527527F
Melting Point, (VS=Vicat Softening Temp.)D3418--------F
Continuous Service Temperature in Air, (Max.)-500500500500500500500500F
Thermal Conductivity-1.801.801.803.703.73.702.502.50BTU-in /
hr-ft2-F
ElectricASTM Test MethodCompression Molded PolyamideimideExtruded PolyamideimideInjection Molded PolyamideimideCompression Molded Bearing PolyamideimideExtruded Bearing Grade PolyamideimideInjection Molded Bearing PolyamideimideCompression Molded 30% Glass-filled PolyamideimideInjection Molded 30% GF PolyamideimideUnits
Dielectric Strength, Short TermD149580580580---700840Volts/mil
Volume ResistivityD2572.0 E+172.0 E+172.0 E+178.0 E+153.0 E+158.0 E+152.0 E+172.0 E+17ohm-cm
Dielectric Constant @10E6 HzD1503.93.93.45.46.05.46.36.5-
Dissipation Factor @10E6 HzD1500.0310.0310.0310.0420.0370.0420.2200.023-
Flammability @3.1 mm unless notedUL94V-0V-0V-0V-0V-0V-0V-0V-0-
H2OASTM Test MethodCompression Molded PolyamideimideExtruded PolyamideimideInjection Molded PolyamideimideCompression Molded Bearing PolyamideimideExtruded Bearing Grade PolyamideimideInjection Molded Bearing PolyamideimideCompression Molded 30% Glass-filled PolyamideimideInjection Molded 30% GF PolyamideimideUnits
Water Absorption, Immersion, 24 hoursD570(7)0.350.400.330.300.280.280.030.30% by weight
Water Absorption, SaturationD570(7)1.701.701.701.501.501.501.501.50% by weight