polyethersulfone
polymerPolyethersulfone (PES) is an amorphous thermoplastic polymer belonging to the polysulfone family, characterized by rigid aromatic backbone chains and ether linkages that provide thermal and chemical stability. It is widely used in demanding applications requiring sustained performance at elevated temperatures and in harsh chemical environments, including aerospace cabin components, medical devices, food-contact equipment, and industrial membranes. Engineers select PES over more commodity polymers when applications demand superior thermal resistance, dimensional stability, and chemical inertness combined with good mechanical strength and processability through conventional injection molding or extrusion.
aerospace cabin componentsmedical device housingsultrafiltration membraneswater treatment systemsautomotive underhood partsfood processing equipment
Compliance & Regulations
?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Flexural Strength (MOR)(σf) | — | Pa | — | — | |
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.