PSS
polymerPSS (polysulfone or a sulfone-based polymer variant) is an engineering thermoplastic known for its rigidity, thermal stability, and chemical resistance across a broad service range. It is widely used in demanding applications requiring sustained performance at elevated temperatures, such as aerospace components, medical devices, automotive under-hood parts, and industrial filtration systems where conventional plastics would degrade. Engineers select PSS when a balance of structural stiffness, dimensional stability, and resistance to hydrolysis and organic solvents is critical, making it competitive with polyetherimide and polyetherketone in cost-sensitive high-performance applications.
aerospace structural componentsmedical device housings and instrumentationautomotive under-hood applicationshigh-temperature filtration membraneschemical processing vessels and connectorselectrical enclosures and insulators
Compliance & Regulations
?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | — | Pa | — | — | |
Elongation at Break(εf) | — | - | — | — | |
Hardness (Vickers)(HV) | — | HV | — | — | |
Ultimate Tensile Strength(σUTS) | — | Pa | — | — | |
Young's Modulus(E) | — | Pa | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | — | K | — | — | |
Melting Point / Solidus(Tm) | — | K | — | — | |
Maximum Service Temperature(Tmax) | — | K | — | — | |
Thermal Conductivity(k) | — | W/(m·K) | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Refractive Index(n) | — | - | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Safety & Biocompatibility
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.