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PET Film Metallized with Aluminum (40 nm)

Available Configurations

Properties common to all products in this list

Composition: Polyester, PET, PETP Form: Metallized Film Material: Polyethylene terephthalate (PET) CAS Number: 25038-59-9 Commodity: Polymers Metallized With: Aluminum - 40 nm Ohms/Square: 1.5 Surface Finish: Metallized On One Side
PET Film Metallized with a 40 nm aluminum layer provides a strong barrier against moisture vapor transmission, gases, and UV radiation, making it suitable for pharmaceutical blister films and retortable food packaging. Its high optical reflectivity is leveraged in solar concentrators, thermal insulation foils, and optical coatings. The film is used in flexible electronic circuits, supercapacitors, and high-performance reflective surfaces. Researchers employ this film in the development of advanced multilayer packaging, flexible OLED displays, and energy-efficient thermal management solutions, contributing to innovations in polymer-based material science and sustainable energy technologies.
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Material Properties

Chemical Resistance
Element Value
Acids - concentrated Good-Poor
Acids - dilute Good
Alcohols Good
Alkalis Poor
Aromatic hydrocarbons Good-Fair
Greases and Oils Good
Halogenated Hydrocarbons Good-Poor
Halogens Fair-Poor
Ketones Good-Fair
Mechanical Properties
Element Value
Coefficient of friction 0.2-0.4
Hardness - Rockwell M94-101
Poisson's ratio 0.37-0.44
Tensile modulus( GPa ) 02-Apr
Izod impact strength( J m⁻¹ ) 13-35
Tensile strength( MPa ) 80, for biax film 190-260
Electrical Properties
Element Value
Dielectric constant @1MHz 3
Dissipation factor @ 1kHz 0.002
Dielectric strength( kV mm⁻¹ ) 17
Surface resistivity( Ohm/sq ) 10¹³
Volume resistivity( Ohmcm ) >10¹⁴
Physical Properties
Element Value
Flammability HB
Radiation resistance Good
Refractive index 1.58-1.64
Resistance to Ultra-violet Fair?
Limiting oxygen index( % ) 21
Water absorption - equilibrium( % ) 0.7
Water absorption - over 24 hours( % ) 0.1
Density( gcm⁻³ ) 1.3-1.4
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 115
Heat-deflection temperature - 1.8MPa( C ) 80
Lower working temperature( C ) 20
Upper working temperature( C ) 115-170
Specific heat( J K⁻¹ kg⁻¹ ) 1200-1350
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.15-0.4@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 20-80
each

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Available Configurations

Properties common to all products in this list

Composition: Polyester, PET, PETP Form: Metallised Film Material: Polyethylene terephthalate (PET) CAS Number: 25038-59-9 Commodity: Polymers Metallized With: Aluminum - 40 nm Ohms/Square: 1.5 Surface Finish: Metallized On One Side

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Tolerances

Metallised Film
Thickness ±10%

Tolerances

Sizes
Linear dimension <100mm ±1mm
Linear dimension >=100mm +2% / -1%