Chemical Product Library / Reference
Polyethylene terephthalate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Polyethylene terephthalate |
|---|---|
| English synonyms | PET;Polyester;PETE |
| Chinese name | 聚对苯二甲酸乙二醇酯 |
| Chinese synonyms | PET;涤纶树脂;聚酯 |
| Chemical category | PET & Polyester |
| CAS No. | 25038-59-9 |
| EINECS No. | Not provided |
| Molecular formula | (C10H8O4)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
Intrinsic viscosity according to grade (e.g. 0.60–0.85 dL/g); melting point 250–260°C; moisture ≤0.2%; acetaldehyde ≤1 ppm (bottle grade)
Performance characteristics
Semi-crystalline thermoplastic polyester, good mechanical properties, clarity and gas barrier properties
Application scenarios
Beverage bottles, food packaging, synthetic fibers, films, engineering plastics