FDM material
PA66 (Nylon 6,6) 3D Printing
Nylon 6,6 melts about 40 °C higher than PA6 and is stiffer and more heat-resistant, with similar wear performance. The grade most injection-molded nylon parts are made from, so it is the closest printed match when a molded PA66 part is the target. Harder to print than PA6 (more warp), priced accordingly.
Properties
- Tensile Strength
- 65–80 MPa
- Heat Resistance
- ~130 °C
- Flexibility
- Low–Medium
- Chemical Resistance
- High
- Moisture Uptake
- High
- Density
- ~1.14 g/cm³
- Relative Cost
- $$$
Typical values for printed parts. Strength between layers is lower than along them.
Good for
- Molded-part stand-ins
- Automotive clips & housings
- Hot-running gears
- Cable management
How we print it
- Tolerance
- ±0.2 mm typical
- Largest part in one piece
- 350 × 320 × 325 mm
- Production
- 2-5 business days; rush available
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PA66: common questions
What is PA66 good for?
PA66 is a common choice for molded-part stand-ins, automotive clips & housings, hot-running gears, cable management. Nylon 6,6 melts about 40 °C higher than PA6 and is stiffer and more heat-resistant, with similar wear performance. The grade most injection-molded nylon parts are made from, so it is the closest printed match when a molded PA66 part is the target. Harder to print than PA6 (more warp), priced accordingly.
How strong and heat-resistant is PA66?
Printed PA66 parts have a typical tensile strength of 65–80 MPa and heat resistance of ~130 °C. These are typical values for printed parts in the XY direction; strength between layers is lower, so orientation matters for loaded parts.
How big a part can you print in PA66, and how fast?
Up to 350 × 320 × 325 mm in one piece; larger parts are printed in sections and joined, after a review. Production takes 2-5 business days, and rush service is available.