Chemical Product Library / Reference
Polyether ether ketone
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Polyether ether ketone |
|---|---|
| English synonyms | PEEK;Polyether ether ketone;PEEK resin |
| Chinese name | 聚醚醚酮 |
| Chinese synonyms | PEEK;聚醚醚酮树脂 |
| Chemical category | Engineering Plastics |
| CAS No. | 31694-16-3 |
| EINECS No. | Not provided |
| Molecular formula | (C19H12O3)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
Melting point 334–343°C; density 1.30–1.32 g/cm³; tensile strength ≥90 MPa; moisture ≤0.2%
Performance characteristics
Semi-crystalline high-performance engineering plastic, excellent heat resistance, chemical resistance and mechanical properties
Application scenarios
Aerospace, medical implants, automotive, electrical/electronic, oil and gas