Thermoplastic
TPU (thermoplastic polyurethane)
A thermoplastic elastomer — rubbery, abrasion- and oil-resistant, flexible across a wide hardness range; seals, casters, phone cases, footwear and flexible 3D-printing filament.
| Property | Value | Source | Method | Conditions | Note |
|---|---|---|---|---|---|
| Density | 1.2 g/cm³ | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | ISO 1183 | 23 °C, dry | 1.1–1.25 across grades |
| Young's modulus E | 0.03 GPa | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | ISO 527 | 23 °C, dry | highly hardness-dependent; Shore 80A–75D spans ~0.01–1 GPa |
| Tensile strength | 40 MPa | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | ISO 527 | 23 °C, dry | 30–55 typical; high despite the low modulus |
| Glass transition Tg | -35 °C | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | DSC | 23 °C, dry | soft-segment Tg well below room temperature — why it is rubbery |
Used in
See where TPU fits in a real product, and what it competes with:
Compare with
TPU (thermoplastic polyurethane) vs Polypropylene (PP)
TPU (thermoplastic polyurethane) vs Polyamide 6 (PA6, Nylon 6)
TPU (thermoplastic polyurethane) vs Polycarbonate (PC)
TPU (thermoplastic polyurethane) vs PEEK
TPU (thermoplastic polyurethane) vs Polyethylene, high-density (HDPE)
TPU (thermoplastic polyurethane) vs PVC, rigid (uPVC)
Sources
- CAMPUS plastics database — typical grade datasheet values (campusplastics.com)
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.