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Formula: PEN
Form: Coil
Material: PEN
CAS Number: 24968-11-4
Commodity: Polymers
Transparency:
Transparent
Goodfellow's PEN Coil is a thin, flexible polyester film available in 93 variations. With properties like high tensile strength, chemical resistance and electrical insulation, PEN film finds use in applications ranging from flexible printed circuit boards to high-performance capacitor dielectrics. Available in standard thicknesses from 5 to 250 microns, Goodfellow's selection of PEN film coils covers a wide array of needs for research, prototyping and production.
Tolerances
Coil
| Thickness | ±20% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good-Poor |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Ketones | Good |
Mechanical Properties
| Element | Value |
|---|---|
| Coefficient of friction | 0.27- biax film |
| Elongation at break( % ) | 60- biax film |
| Tensile modulus( GPa ) | 5-5.5- biax film |
| Tensile strength( MPa ) | 200- biax film |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 3.2@10KHz |
| Dissipation factor @ 1kHz | 0.005 |
| Dissipation factor @ 1MHz | 0.0048@10KHz |
| Dielectric strength( kV mm⁻¹ ) | 160@0.075mm |
| Surface resistivity( Ohm/sq ) | 10¹⁴ |
| Volume resistivity( Ohmcm ) | 10¹⁵ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | VTM-2 - UL94, 0.075mm |
| Resistance to Ultra-violet | Fair |
| Optical transmission( % ) | 84@0.075mm |
| Water absorption( % ) | 0.4 |
| Density( gcm⁻³ ) | 1.36 |
Thermal Properties
| Element | Value |
|---|---|
| Upper working temperature( C ) | 155 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.15@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 20-21- biax film |