PSU
(Polysulfone)
Polysulfone is a high temperature amorphous material with relatively low cost. It is transparent and can be used at temperatures of up to 300 F.
Polysulfone has been compounded, with glass and mineral filled grades available.
Properties at a Glance
| Max Temp. | Chemical Resistance | Tensile Strength | Flexural Modulus | Impact Strength |
| 300°-350° F | Fair to Good | 9,500-18,000 psi | 390,000-1,500,000 psi | 65-7 ft-lb/in notched izod |
Pros and Cons
Pros
Good thermal stability
Transparent
Tough and rigid
Chemical Resistance
Cons
Attacked by many solvents
Poor weatherability
Subject to stress cracks
High processing temperature
Brand Names & Data Sheet
Udel
Ultrason
Mindel
