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PSU Rod

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Composition: PSu Form: Rod Material: Polysulfone (PSU) CAS Number: 25135-51-7 Commodity: Polymers
PSU Rod is a solid form of polysulfone engineered for applications requiring rigidity, thermal endurance, and resistance to hydrolysis. Known for its high strength-to-weight ratio and excellent machinability, PSU rods are used across aerospace, biomedical, and electronic engineering industries. Specific applications include precision-machined biomedical tools, insulating components in electronic assemblies, and lightweight aerospace structural parts that require thermal stability. In research, PSU rods are studied for their stress-cracking resistance, performance under cyclic thermal loading, and use as matrices in polymer composites. Their unique balance of mechanical integrity, transparency, and durability under sterilization processes ensures PSU rods are vital in industrial engineering and high-performance scientific contexts, where long-term dimensional stability is critical.
Starting at $204.00 each
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Material Properties

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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Available Configurations

Properties common to all products in this list

Composition: PSu Form: Rod Material: Polysulfone (PSU) CAS Number: 25135-51-7 Commodity: Polymers

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Tolerances

Rod
Diameter +20% / -10%