Thermoplastic
Polyamide 66 (PA66, Nylon 66)
Semi-crystalline engineering thermoplastic; higher melting than PA6, same moisture sensitivity — gears, cable ties, under-hood parts.
| Property | Value | Source | Method | Conditions | Note |
|---|---|---|---|---|---|
| Density | 1.14 g/cm³ | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | ISO 1183 | 23 °C, dry | — |
| Young's modulus E | 3.2 GPa | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | ISO 527 | 23 °C, dry | dry as molded; drops ~50% conditioned |
| Tensile strength | 83 MPa | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | ISO 527 | 23 °C, dry | dry as molded |
| Glass transition Tg | 60 °C | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | DSC | 23 °C, dry | dry; plasticized by moisture |
| Melting point Tm | 262 °C | CAMPUS plastics database — typical grade datasheet values (campusplastics.com) | DSC | 23 °C, dry | — |
Compare with
Polyamide 66 (PA66, Nylon 66) vs Polypropylene (PP)
Polyamide 66 (PA66, Nylon 66) vs Polyamide 6 (PA6, Nylon 6)
Polyamide 66 (PA66, Nylon 66) vs Polycarbonate (PC)
Polyamide 66 (PA66, Nylon 66) vs PEEK
Polyamide 66 (PA66, Nylon 66) vs Polyethylene, high-density (HDPE)
Polyamide 66 (PA66, Nylon 66) 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.