PES
polymerPolyetheersulfone (PES) is a high-performance engineering thermoplastic known for its excellent thermal stability, chemical resistance, and mechanical strength across a wide temperature range. It is widely used in demanding applications requiring durability in harsh chemical or thermal environments, including aerospace components, medical devices, automotive under-hood parts, and industrial filtration systems. Engineers select PES when standard commodity plastics (like polycarbonate or acrylic) cannot withstand sustained heat or chemical exposure, or when dimensional stability and low creep are critical performance requirements.
aerospace structural componentsmedical device housings and sterilizable equipmentautomotive under-hood partschemical filtration membraneshigh-temperature electrical insulatorswater treatment and separation systems
Compliance & Regulations
?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | — | Pa | — | — | |
Elongation at Break(εf) | — | - | — | — | |
Flexural Strength (MOR)(σf) | — | Pa | — | — | |
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.