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Grade: Electrical Grade
Formula: PAI
Form: Foil/Film/Sheet
Material: Polyamide/imide (PAI)
Commodity: Polymers
Torlon® 4203L Polyamide/Imide films are a high-performance thermoplastic film material. With 14 variations available, they provide an optimal balance of mechanical, thermal and chemical resistance properties for demanding applications. Example uses include aerospace components, bearings, bushings, and electrical insulators where durability at high temperatures is critical.
Tolerances
Foil/Film/Sheet
| Thickness | ±20% |
|---|
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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Thickness: 1mm
Length 1: 25mm
Length 2: 25mm
Stabilised With: 5% Yttria
CAS Number: 114168-16-0
UOM Code: 128-868-36
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Zirconium Foil Formula: Zr
Percentage Purity: 99.2%
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-67-7
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Ytterbium Foil Formula: Yb
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
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Zinc Foil Formula: Zn
Percentage Purity: 99.9%
Thickness: 0.0025mm
Length 1: 25mm
Length 2: 25mm
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UOM Code: 013-016-12
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X-ray Quality Rhodium Foil Grade: X-ray Quality
Formula: Rh
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.025mm
Length 1: 10mm
Length 2: 10mm
CAS Number: 7440-16-6
UOM Code: 464-926-09
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Yttrium Foil Formula: Y
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.1mm
Length 1: 50mm
Length 2: 50mm
CAS Number: 7440-65-5
UOM Code: 117-129-99
eachStarting at $235.38
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