Technical Data Sheet
Safety Data Sheet
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PEI Coil

The PEI Coil is a type of polymer film available in 55 variations for options of thickness, width, length and surface finish to suit different applications. Some example uses of polyetherimide film include electrical insulation, medical devices, automotive parts and packaging. The film provides properties like high heat resistance, chemical resistance and mechanical strength. Polyetherimide's versatility makes it a go-to material for many industrial applications needing a tough and stable polymer film.
Formula: PEI
Thickness: 0.05mm
Coil Width: 660mm
Length: 300m
Colour: Clear Amber
UOM Code: 132-988-80
SKU: 1000039125
Product Code: EI31-FM-000150


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Technical Data Sheet
Safety Data Sheet

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Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Good(-Fair?)
Acids - dilute Good
Alcohols Good
Alkalis Good-Poor
Aromatic hydrocarbons Poor
Greases and Oils Good
Halogenated Hydrocarbons Good-Poor
Ketones Poor
Electrical Properties
Element Value
Dielectric constant @1kHz 3.1
Dissipation factor @ 1MHz 0.0013@1
Dielectric strength( kV mm⁻¹ ) 30@1.6mm
Surface resistivity( Ohm/sq ) 4.10¹³
Volume resistivity( Ohmcm ) 7.10¹⁵
Physical Properties
Element Value
Flammability V-0 @ 0.4mm
Radiation resistance Good
Resistance to Ultra-violet Good/Fair
Limiting oxygen index( % ) 47
Water absorption - equilibrium( % ) 1.3
Water absorption - over 24 hours( % ) 0.25
Density( gcm⁻³ ) 1.27
Mechanical Properties
Element Value
Hardness - Rockwell R125
Poisson's ratio 0.44
Elongation at break( % ) 60
Compressive modulus( GPa ) 2.9
Tensile modulus( GPa ) 2.9
Izod impact strength( J m⁻¹ ) 50
Abrasive resistance - ASTM D1044( mg/1000 cycles ) 10
Tensile strength( MPa ) 85
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 200
Heat-deflection temperature - 1.8MPa( C ) 190
Upper working temperature( C ) 170-200
Specific heat( J K⁻¹ kg⁻¹ ) 2000
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.22@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 56
Element Value
Compressive strength( MPa ) 140
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