Chemical Product Library / Reference
Polyethersulfone
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Polyethersulfone |
|---|---|
| English synonyms | PES;Polyethersulfone;PES resin |
| Chinese name | 聚醚砜 |
| Chinese synonyms | PES;聚醚砜树脂 |
| Chemical category | Engineering Plastics |
| CAS No. | 25667-42-9 |
| EINECS No. | Not provided |
| Molecular formula | (C12H8O3S)n |
| Molecular weight | Not provided |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Glass transition temperature 220–225°C; density 1.37 g/cm³; moisture ≤0.5%; transparency according to grade
Performance characteristics
Amorphous high-performance engineering plastic, excellent heat resistance, transparency and hydrolytic stability
Application scenarios
Medical devices, water filtration membranes, electrical/electronic, aerospace