Engineering Thermoplastics
PSU Standard — Polysulfone Standard
PSU is an amorphous thermoplastic offering good mechanical strength, stiffness, and high continuous use temperatures. It possesses excellent hydrolytic stability, good chemical resistance, and is naturally flame retardant and transparent.
PSUUdelSumikon
Manufacturers
2
Grades
2
Applications
4
Equivalents
1
Physical Properties
- Density
- 1.24-1.25 g/cm³
- Water Absorption (24h)
- 0.5-0.8 %
- Transparency
- Transparent
- Shrinkage
- 0.5-0.8 %
Mechanical Properties
- Young's Modulus
- 2.0-2.5 GPa
- Tensile Strength
- 60-75 MPa
- Elongation at Break
- 50-100 %
- Impact Strength (Izod)
- 10-15 kJ/m
Thermal Properties
- Glass Transition Temperature
- 170-185 °C
- Melting Point
- N/A (amorphous)
- Continuous Service Temperature
- 130-160 °C
- Heat Deflection Temperature
- 150-170 °C (1.8 MPa)
Electrical Properties
- Dielectric Constant
- 3.5-4.0
- Volume Resistivity
- 10^13-10^15 Ohm-cm
- Dielectric Strength
- 15-20 kV/mm
Chemical Resistance
- Acids
- Good
- Bases
- Fair
- Solvents
- Fair (ketones, chlorinated hydrocarbons)
- UV Resistance
- Fair
Sustainability
- Recyclability
- Recyclable (difficult)
- Recycling Code
- 7 (Other)
- Carbon Footprint
- High
Manufacturing compatibility
Injection MoldingExtrusionBlow Molding
Applications
Medical devices
Food service equipment
Electrical components
Membranes
Available grades
PSU High FlowPSU Medical Grade