poly(phenylene sulfone)

polymer

Poly(phenylene sulfone) is a high-performance engineering thermoplastic featuring an aromatic backbone with sulfone linkages, delivering excellent thermal stability and mechanical strength at elevated temperatures. It is widely employed in aerospace, automotive, and industrial applications where components must withstand continuous exposure to heat and demanding chemical environments—including aircraft cabin interiors, engine compartment housings, and pump impellers. Engineers select this material over standard plastics when superior thermal resistance, dimensional stability, and inherent flame resistance are required without sacrificing processability or impact performance.

aerospace structural componentshigh-temperature connectors and housingsautomotive under-hood partspump and compressor componentschemical-resistant tubing and fittingselectrical insulators

Compliance & Regulations

?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Glass Transition Temperature(Tg)	493.2	K	—

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.

poly(phenylene sulfone)

Thermal Properties

Regulatory Screening

Environmental

Safety & Biocompatibility