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Polysulphone ( PSu )

Material Information

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Standard products are available in these forms
Film Granule Rod
Film Granule Rod

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Common Brand Names:
Udel®, Ultrason® S
 
 

   

Chemical Resistance

Acids - concentrated Fair
Acids - dilute Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Fair
Greases and Oils Good
Halogens Good
Ketones Poor

Electrical Properties

Dielectric constant @1kHz 3.14
Dielectric constant @1MHz 3.10
Dielectric strength ( kV mm-1 ) 17
Dissipation factor @ 1kHz 0.0013
Dissipation factor @ 1MHz 0.0050
Volume resistivity ( Ohmcm ) 5x1016

Mechanical Properties

Elongation at break ( % ) 50-100
Hardness - Rockwell M91
Izod impact strength ( J m-1 ) 69
Tensile modulus ( GPa ) 2.48
Tensile strength ( MPa ) 70

Physical Properties

Density ( g cm-3 ) 1.24
Flammability HB
Limiting oxygen index ( % ) 30
Radiation resistance Good
Resistance to Ultra-violet Poor
Water absorption ( % ) 0.40
Water absorption - equilibrium ( % ) 0.85

Thermal Properties

Coefficient of thermal expansion ( x10-6 K-1 ) 56
Heat-deflection temperature - 1.8MPa ( C ) 174
Thermal conductivity @0.26C ( W m-1 K-1 )
Upper working temperature ( C ) 150-180

Buy Polysulphone on-line

Standard products are available in these forms
Film Granule Rod
Film Granule Rod

Choose a form to search our on-line catalog  

Index