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Formula: PEN
Form: Disk
Material: Polyethylene naphthalate (PEN)
CAS Number: 24968-11-4
Commodity: Polymers
Transparency:
Transparent
The PEN Disk offers high strength and stiffness combined with excellent dimensional stability. Made from poly(ethylene naphthalate) it is available in 90 variations. With its precise dimensions and tolerance, this product can be utilized in applications requiring tight tolerances like scientific instrumentation and semiconductor manufacturing equipment. The wide range of sizes and grades available make Goodfellow's PEN disks suitable for everything from prototyping through to high volume production across diverse industries.
Tolerances
Disk
| 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 |
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