Material Data Sheet
Material: TORLON® 4203
POLYAMIDE-IMIDETorlon 4203 polyamide-imide offers excellent compressive strength and the highest elongation of the Torlon grades. It also provides electrical insulation and exceptional impact strength. This grade is commonly used for electrical connectors and insulators due to is high dielectric strength. Its ability to carry high loads over a broad temperature range makes it ideal for structural components such as linkages and seal rings. Torlon 4203 is also an excellent choice for wear application involving impact loading and abrasive wear.
| Mechanical Properties | Value | Units |
| Specific Gravity, 73°F | 1.41 | |
| Tensile Strength, 73°F | 20,000 | psi |
| Tensile Modulus of Elasticity, °F | 600,000 | psi |
| Tensile Elongation ( at break), 73°F | 10 | % |
| Flexural Strength, 73°F | 24,000 | psi |
| Flexural Modulus of Elasticity, 73°F | 600,000 | psi |
| Shear Strength, 73°F | 16,000 | psi |
| Compressive Strength, 10% Deformation, 73°F | 24,000 | psi |
| Compressive Modulus of Elasticity, 73°F | 478,000 | psi |
| Hardness, Rockwell, Scale as noted, 73°F | E80 (m120) | |
| Hardness, Durometer, Shore "D" Scale, 73°F | N/A | |
| Izod Impact (notched), 73°F | 2 | ft-lb/in of notch |
| Coefficient of Friction (Dry vs. Steel) Dynamic | .35 | |
| Limiting PV (with 4:1 safety factor applied) | 12,500 | ft.lbs./in.2 min |
| Wear Factor "k" x 10-10 | 50 | in.3-min/ft.lbs.hr |
| Thermal Properties | ||
| Coefficient of Linear Thermal Expansion (-40°F to 300°F) | 1.7 x 10-5 | in/in./°F |
| Heat Deflection Temperature 264 psi | 532 | °F |
| TG-Glass transition (amorphous) | 527 | °F |
| Meltin Point (Crystalline) peak | N/A | °F |
| Continuous Service Temperature in Air (Max.) (1) | 500 | °F |
| Thermal Conductivity | 1.8 | BTU-in/hr-ft²-°F |
| Electrical Properties | ||
| Dielectric Strength, Short Term | 580 | Volts/mil |
| Surface Resistivity | >1016 | ohm/square |
| Dielectric Constant, 106 Hz | 4.2 | |
| Dissipation Factor, 106 Hz | 0.026 | |
| Flammability @ 3.1 mm (1/8 in.) | V-0 | |
| *The values shown in these and the following charts are typical, average properties. Actual values may differ due to variations in resin formulations and processing methods. These values are obtained from sources believed to be reliable, including the resin manufactures, converters and other published sources. However, they should not be used for specification or design purposes. |
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