Nylon 66 (PA66)
Nylon 66 (PA66) is a higher-performance version of Nylon 6 with better heat resistance, higher stiffness, and improved mechanical properties. Its higher melting point makes it suitable for under-hood automotive and electrical applications.
Machinability
68/100
Tolerance
±0.05 mm
Category
Engineering Plastics
Material Properties
| Property | Value |
|---|---|
| Tensile Strength | 82 MPa (11.9 ksi) |
| Yield Strength | 69 MPa (10 ksi) |
| Hardness | Rockwell R120 |
| Density | 1.14 g/cm³ |
| Machinability Rating | 68/100 |
| Thermal Conductivity | 0.26 W/m·K |
| Melting Point | 262 °C |
| Tolerance | ±0.05 mm |
Common Grades
Nylon 66PA66Nylon 66-GF30
Advantages
- Higher heat resistance than Nylon 6
- Better stiffness and strength
- Good chemical resistance
- Self-lubricating
Limitations
- High moisture absorption
- More expensive than Nylon 6
- Dimensional instability with moisture
Common Applications
Automotive under-hood parts
Electrical housings
Cable ties
Gear wheels
Structural parts
Industries Served
AutomotiveElectronicsIndustrial Machinery
Available Surface Finishes
As-MachinedPolishedDyed