Technical Data Sheet
Safety Data Sheet
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PET Film

PET films is a polyester film manufactured by Goodfellow. It is available in 302 variations, with options for different thicknesses, widths, lengths, colors and surface finishes. PET films exhibits properties like high tensile strength, chemical resistance, electrical insulation and optical clarity. It is commonly used in flexible food packaging, recording tape, electrical insulation and graphics applications. The wide range of PET films products from Goodfellow allows selection of the optimal film properties and dimensions for diverse industrial and scientific needs.
Thickness: 0.25mm
Structure: Biaxially Oriented
Colour: Clear
Length 1: 400mm
Length 2: 400mm
Technical Name: Polyethylene terephthalate
Formula: Polyester, PET, PETP
Density: 1.39g/cm³
CAS Number: 25038-59-9
UOM Code: 175-729-67
SKU: 1000065707
Product Code: ES30-FM-000250

Tolerances

Foil
Thickness ±20%
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Tolerances

Foil
Thickness ±20%
Technical Data Sheet
Safety Data Sheet

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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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    Length 1: 300mm
    Length 2: 300mm
    Technical Name: Polyetheretherketone
    Grade: VICTREX® APTIV® 2000
    Formula: PEEK
    Density: 1.29g/cm³
    CAS Number: 29658-26-2
    Structure: Amorphous
    Transparency: Transparent Pale Amber
    UOM Code: 002-226-57
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