Thermoplastic
PETG (glycol-modified PET)
Amorphous copolyester — PET with a glycol comonomer that suppresses crystallinity; the tough, forgiving all-rounder of FDM printing, with good chemical and moisture resistance and clarity.
| Property | Value | Source | Method | Conditions | Note |
|---|---|---|---|---|---|
| Density | 1.3 g/cm³ | MakeItFrom.com materials database — typical grade values | — | 23 °C, dry | 1.27–1.31 typical |
| Young's modulus E | 2.2 GPa | MakeItFrom.com materials database — typical grade values | — | 23 °C, dry | 2.0–2.4 typical range |
| Tensile strength | 53 MPa | MakeItFrom.com materials database — typical grade values | — | 23 °C, dry | — |
| Glass transition Tg | 81 °C | MakeItFrom.com materials database — typical grade values | DSC | 23 °C, dry | 78–85 typical |
Used in
See where PETG fits in a real product, and what it competes with:
Compare with
Sources
- MakeItFrom.com materials database — typical grade values
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.