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Grade: Torlon® 4203L / Electrical Grade
Formula: PAI
Form: Rod
Material: Polyamide/imide (PAI)
Commodity: Polymers
Torlon® 4203L Polyamide/Imide Rods come in a choice of 43 variations. Torlon® rods are made from a high-performance thermoplastic that combines excellent mechanical properties and chemical resistance at high temperatures. They’re ideal for applications in the aerospace, automotive, and oil and gas industries, where parts need to withstand extreme environments. The different variations we offer allow you to select the optimal dimensions based on your specific application requirements.
Tolerances
Rod
| Diameter | +20% / -10% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Fair-Poor |
| Acids - dilute | Fair |
| Alcohols | Good-Poor |
| Alkalis | Poor |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good-Poor |
| Halogens | Good-Poor |
| Ketones | Good |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 3.9-5.4 |
| Dissipation factor @ 1MHz | 0.03-0.042 |
| Dielectric strength( kV mm⁻¹ ) | 23at 1mm |
| Surface resistivity( Ohm/sq ) | 8-50 x 10¹⁷ |
| Volume resistivity( Ohmcm ) | 0.08-2 x 10¹⁷ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V0 |
| Radiation resistance | Good |
| Resistance to Ultra-violet | Good |
| Limiting oxygen index( % ) | 44-45 |
| Water absorption - equilibrium( % ) | 03-Apr |
| Water absorption - over 24 hours( % ) | 0.3 |
| Density( gcm⁻³ ) | 1.42-1.46 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Rockwell | E72-86 |
| Poisson's ratio | 0.38 |
| Elongation at break( % ) | Jul-15 |
| Tensile modulus( GPa ) | 4.5-6.8 |
| Izod impact strength( J m⁻¹ ) | 60-140- notched |
| Tensile strength( MPa ) | 110-190 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 1.8MPa( C ) | 278-9 |
| Lower working temperature( C ) | -200 |
| Upper working temperature( C ) | 200-260 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1000 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.26-0.54@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 25-31 |
Pultrusions
| Element | Value |
|---|---|
| Compressive strength( MPa ) | 170-220 |
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