Images are for guidance only and might not represent the final product.
Formula: PEI
Form: Foil/Film/Sheet
Material: Polyetherimide (PEI)
CAS Number: 61128-46-9
Commodity: Polymers
Polyetherimide (PEI) Film, also known as PEI polymer sheet, is renowned for its exceptional thermal stability, mechanical strength, and chemical resistance. This high-performance material is ideal for applications in the aerospace, electronics, and automotive industries due to its ability to withstand extreme temperatures and harsh environments. PEI Film’s excellent dielectric properties make it suitable for use in electrical insulation and high-frequency electronics. Goodfellow supplies this advanced film, ensuring it meets stringent industry standards and delivers consistent, high-quality results. The film’s inherent flame retardancy and low smoke generation further enhance its suitability for critical applications, such as medical devices and high-performance electrical components. Goodfellow’s PEI Film is engineered to support cutting-edge technological advancements, providing a reliable solution for demanding industrial needs.
Technical Data Sheet Safety Data Sheet Tolerance Properties
each

We are collecting your products, please wait!...

Shipping restrictions and charges
may apply for some hazardous materials.

Tolerances

Foil/Film/Sheet
Thickness ±20%

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
Pultrusions
Element Value
Compressive strength( MPa ) 140

Can't find what you're looking for? For customized options

Other Customers Purchased
  1. Starting at $673.56

    each
    Discounts applied for volume purchases
    View Product