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Formula: PSu
Form: Rod
Material: Polysulfone (PSU)
CAS Number: 25135-51-7
Commodity: Polymers
PSU Rods offer an engineering thermoplastic that has high heat resistance, good mechanical properties and excellent dimensional stability. Our range comes in 30 variations, providing options for sizes, shapes and mechanical specs tailored to your application. With their combination of thermal and chemical resistance, PSU Rods are widely used in medical devices, food processing equipment and electrical components. Our wide choice of rods gives engineers and designers the versatility to prototype and test new products and applications.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Rod
Diameter +20% / -10%

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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