Chemical Product Library / Reference
Polyimide
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Polyimide |
|---|---|
| English synonyms | PI;Polyimide;Polyimide resin |
| Chinese name | 聚酰亚胺 |
| Chinese synonyms | PI;聚酰亚胺树脂 |
| Chemical category | Engineering Plastics |
| CAS No. | 25038-81-7 |
| EINECS No. | Not provided |
| Molecular formula | (C22H10N2O5)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 according to grade (e.g. >360°C); density 1.42–1.43 g/cm³; moisture ≤0.5%
Performance characteristics
High-performance polymer, exceptional heat resistance, electrical insulation and mechanical properties
Application scenarios
Aerospace, flexible printed circuits, semiconductor, coatings, fibers