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Formula: PEN
Form: Granule
Material: Polyethylene naphthalate (PEN)
CAS Number: 24968-11-4
Commodity: Polymers
Nominal Granule Size: 5mm
Warning: Additive Free Polymer
Polyethylene Naphthalate (PEN) granules be be used to fabricate materials with high strength, thermal stability, and resistance to environmental factors, making them useful in numerous advanced applications. They are incorporated in biomedical products, such as drug delivery systems and medical devices, due to their high degree of biocompatibility. Their excellent moisture and oxygen barrier properties make them ideal for food and beverage packaging. In industries like aerospace and automotive, PEN granules improve the durability and performance of composites. Additionally, they are gaining attention in optical films and water filtration systems, while their recyclability is becoming a key area of research for sustainable high-performance materials.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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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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