Polysulfone is a high-performance engineering thermoplastic characterized by an aromatic backbone with sulfone linkages, offering excellent thermal stability and mechanical rigidity at elevated temperatures. It is widely used in demanding applications requiring sustained performance in heat and chemical environments, including aerospace cabin components, medical device housings, water filtration membranes, and automotive underhood parts. Engineers select polysulfone over commodity plastics when applications demand both dimensional stability at high temperatures and resistance to hydrolysis and organic solvents, though cost and processing complexity are typical trade-offs versus less specialized alternatives.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Elongation at Break(εf) | 20.67 | - | — | ||
Flexural Strength (MOR)(σf) | 1.664 | GPa | — | ||
Ultimate Tensile Strength(σUTS) | 43.77 | MPa | — | ||
Young's Modulus(E) | 5.184 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | 461.3 | K | — | ||
Melting Point / Solidus(Tm) | 523.2 | K | — | ||
Maximum Service Temperature(Tmax) | 658.3 | K | — | ||
Thermal Conductivity(k) | 1.155 | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Refractive Index(n) | 1.632 | - | — |