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Formula: Polyester, PET, PETP
Form: Metallized Film
Material: Polyethylene terephthalate (PET)
CAS Number: 25038-59-9
Commodity: Polymers
Metallized With: Stainless Steel
Thickness: 0.036mm
Coil Width: 1500mm
Surface Finish: Metallized On One Side

PET Metallized Film with Stainless Steel Coil

Polyethylene Terephthalate (PET) Metallized Film with Stainless Steel Coating (Coil/Roll) provides mechanical durability, moderate conductivity, and chemical resistance for use in EMI shielding, sensor housings, and advanced thin-film assemblies. The film consists of a PET substrate coated with a thin layer of stainless steel, combining structural integrity with dimensional stability under thermal and environmental stress. This layered material is employed in vacuum systems, microelectronic prototypes, and shielding applications requiring cleanroom compatibility and low outgassing. In research and laboratory settings, it supports nanofabrication, photonics, and analytical instrumentation. The film's reflective and protective properties enhance performance in thermal cycling and signal isolation scenarios. Available in various coil lengths.
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Tolerances

Metallized Film
Thickness ±10%
Coil
Length +10% / -0%

Material Properties for Polymers

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

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