Thermoset
Polyester (unsaturated, cast)
Economical thermoset matrix for glass-fiber boats, tanks, and panels; cures at room temperature with styrene.
| Property | Value | Source | Method | Conditions | Note |
|---|---|---|---|---|---|
| Density | 1.2 g/cm³ | Callister & Rethwisch, Materials Science and Engineering, 10th ed. | ASTM D792 | 23 °C, dry | 1.04–1.46 across formulations |
| Young's modulus E | 3.2 GPa | Callister & Rethwisch, Materials Science and Engineering, 10th ed. | ASTM D638 | 23 °C, dry | — |
| Tensile strength | 55 MPa | Callister & Rethwisch, Materials Science and Engineering, 10th ed. | ASTM D638 | 23 °C, dry | — |
| Glass transition Tg | 75 °C | Callister & Rethwisch, Materials Science and Engineering, 10th ed. | DMA | 23 °C, dry | formulation dependent |
Compare with
Sources
- Callister & Rethwisch, Materials Science and Engineering, 10th ed.
Typical room-temperature values for learning and preliminary design; grades vary. Always confirm against the supplier datasheet before design work. Data policy: docs/DATA-SOURCES.md in the repository.