Torlon® (polyamide-imide (PAI))


Torlon can stand severe stress conditions and provides better compression strength and higher impact resistance than most other high performance plastics. Some applications include bushings, electrical parts, bearings etc.

Material Specifications
Physical Properties Units Test Torlon 4203® Torlon 4301®
Density lb/in.3
g/cm3		 D792 0.0051
1.41		 0.052
1.45
Water Absorption % D570 0.4 0.4
Mechanical Properties

Units

Test

Torlon 4203®

Torlon 4301®
Tensile Strength psi D638 18,000 12,000
Tensile Modulespsi
 D638 600,000 800,000
Tensile Elongation at Break Tensile % D638 10 3
Flexural Strength psi
 D790 24,000 23,000
Flexural Modulus psi (Kpsi) D790 600,000 800,000
Compressive Strength psi D695 24,000 22,000
Compressive Modulus psi D695 700,000 950,000
Hardness Rockwell (Shore D) - D785 M120 M106
Izod Impact Notched ft. - lb./in. D256 2.0 0.8
Thermal Properties Units Test Torlon 4203® Torlon 4301®
Coefficient of Linear
Thermal Expansion 		10-5 in./in./°F D696 1.7 1.4
Heat Deflection Temperature at 264 psi °F/°C D648 532 / 278

532 / 278
Melting Temperature°F/°C D3418 - -
Max. Use Temperature°F/°C - 500 / 260 500 / 260
Thermal Conductivity BTU- in./ft.2-hr.- °F
x10 - 4 cal/cm - sec. - °C		 C177 1.80
6.20		 3.70
12.8
Flammability Rating - UL94 V-0 V-0
Electrical Properties Units Test Torlon 4203® Torlon 4301®
Dielectric Strength (V-mil) D149 580 -
Dielectric Constant at 1 MHz (60Hz) D150 4.2 6.0
Dissipation Factor at 1 MHz (60Hz) D150 0.026 0.037
Volume Resistivity (ohm - cm) at 50% RH D257 >1016 >1013

The information supplied is not to be taken as a warranty or representation for which Technical Products, Inc. assumes legal responsibility, is offered solely for your consideration, investigation and verification. All risk of use, singly or in combination with other products, whether or not in accordance with the instructions, directions or suggestions is borne by the user.