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Formula: PSu
Form: Foil/Film/Sheet
Material: Polysulfone (PSU)
CAS Number: 25135-51-7
Commodity: Polymers
Polysulphone film is a high-performance thermoplastic film with high tensile strength, thermal stability, and chemical resistance. This film has a variety of applications including use in analytical equipment and medical devices. Goodfellow offers PSU films in over 28 variations, with a range of thicknesses, colors and surface finishes to suit customers' specific requirements. From ultra-thin films ideal for chromatography to thicker opaque or colored films for device housings, our range of PSU filmss provide versatile high performance options for industrial and scientific needs.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness ±20%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Fair
Acids - dilute Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Fair
Greases and Oils Good
Halogens Good
Ketones Poor
Electrical Properties
Element Value
Dielectric constant @1kHz 3.14
Dielectric constant @1MHz 3.1
Dissipation factor @ 1kHz 0.0013
Dissipation factor @ 1MHz 0.005
Dielectric strength( kV mm⁻¹ ) 17
Volume resistivity( Ohmcm ) 5x10¹⁶
Physical Properties
Element Value
Flammability HB
Radiation resistance Good
Resistance to Ultra-violet Poor
Limiting oxygen index( % ) 30
Water absorption( % ) 0.4
Water absorption - equilibrium( % ) 0.85
Density( gcm⁻³ ) 1.24
Mechanical Properties
Element Value
Hardness - Rockwell M91
Elongation at break( % ) 50-100
Tensile modulus( GPa ) 2.48
Izod impact strength( J m⁻¹ ) 69
Tensile strength( MPa ) 70
Thermal Properties
Element Value
Heat-deflection temperature - 1.8MPa( C ) 174
Upper working temperature( C ) 150-180
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.26
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 56

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