Thermoset
Phenolic (phenol-formaldehyde)
The original synthetic plastic (Bakelite); chars instead of burning — aircraft interiors, brake pads, ablatives.
| Property | Value | Source | Method | Conditions | Note |
|---|---|---|---|---|---|
| Density | 1.28 g/cm³ | Callister & Rethwisch, Materials Science and Engineering, 10th ed. | ASTM D792 | 23 °C, dry | — |
| Young's modulus E | 3.5 GPa | Callister & Rethwisch, Materials Science and Engineering, 10th ed. | ASTM D638 | 23 °C, dry | 2.8–4.8 typical range |
| Tensile strength | 50 MPa | Callister & Rethwisch, Materials Science and Engineering, 10th ed. | ASTM D638 | 23 °C, dry | brittle |
| Glass transition Tg | 175 °C | Callister & Rethwisch, Materials Science and Engineering, 10th ed. | DMA | 23 °C, dry | highly crosslinked; decomposes rather than melts |
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.