PA12 MJF
Nylon PA12 MJF

Nylon PA12 for 3D Printing with HP Multi Jet Fusion: (MJF)
Nylon PA12 is an advanced thermoplastic material used in 3D printing with HP Multi Jet Fusion (MJF) technology.
It’s ideal for producing functional, strong, and high-precision parts for industrial and prototyping applications.
Thanks to the HP MJF process, Nylon PA12 delivers uniform quality, excellent mechanical strength, and consistent performance, making it one of the most reliable materials in additive manufacturing.
Key Properties of Nylon PA12 MJF
Nylon PA12 MJF offers a unique combination of mechanical performance, dimensional stability, and surface quality.
It’s perfect for complex geometries requiring both impact resistance and fine detail accuracy.
Main features include:
- High mechanical strength and durability
- Dense, homogeneous parts with smooth finish
- Excellent resistance to oils, greases, hydrocarbons, and alkalines
- Low fluid permeability
- High dimensional stability even under thermal stress
Advantages of Nylon PA12 with HP MJF
High Strength and Durability:
Nylon PA12 is renowned for its toughness and fatigue resistance, ideal for demanding mechanical applications.Precision Manufacturing:
The HP MJF process ensures exceptional accuracy, even on intricate geometries, maintaining repeatability across batches.Versatility Across Industries:
Suitable for sectors such as automotive, electronics, aerospace, and consumer goods.Superior Surface Quality:
Parts made with Nylon PA12 MJF have fine textures and detailed finishes, often requiring no post-processing.Dimensional Stability:
It maintains a consistent shape under mechanical and thermal stress, making it perfect for end-use components.


Surface Finishing options
At Prototek, we offer several finishing options to adapt Nylon PA12 MJF parts to any functional or aesthetic requirement.

Natural Grey
Micro-bead blasted to remove residual powder, ideal for functional parts and components requiring post-processing.

Black Dyed
Micro-bead blasted, then immersed in a nylon dye bath for a uniform matte black finish.
Main Applications of Nylon PA12 MJF
Nylon PA12 MJF is ideal for parts requiring mechanical strength, dimensional accuracy, and fine detailing, such as:
Gears and mechanical components
Electronic housings
Structural supports
Connectors and brackets
It’s also perfect for rapid prototyping, significantly reducing production times while maintaining industrial-grade quality.

Painted
Tumbled and bead blasted, then coated with primer and water-based paint for a smooth, elegant look.

Graphite Finish
Dual bead-blasting process providing a shiny grey, uniform appearance with enhanced smoothness.

Shiny Black
Dyed and bead-blasted multiple times for glossy, scratch-resistant, and visually appealing surfaces.
Technical performance and sustainability of Nylon PA12 MJF
Beyond its mechanical and aesthetic qualities, Nylon PA12 MJF stands out for its consistent thermal behavior and long-term stability, even under demanding conditions. The material retains its tensile strength and impact resistance after repeated use, making it suitable for both functional prototypes and end-use parts that require reliable performance over time.
From an environmental standpoint, HP Multi Jet Fusion technology maximizes powder reusability, significantly reducing waste compared to traditional additive manufacturing processes. This efficiency not only lowers material costs but also supports sustainable production practices.
Furthermore, Nylon PA12 MJF is compatible with a wide range of post-processing and finishing techniques, including vapor smoothing, dyeing, and coating, enabling manufacturers to customize both the mechanical and visual aspects of their components. Its ability to maintain dimensional precision after finishing ensures that the printed parts meet tight tolerances for engineering-grade assemblies.
Overall, Nylon PA12 MJF offers an exceptional balance between performance, durability, and sustainability, making it one of the most advanced and cost-effective materials for industrial 3D printing applications.
Why Choose Nylon PA12 - HP Multi Jet Fusion (MJF)?
The combination of Nylon PA12 and HP Multi Jet Fusion (MJF) technology provides:
Fast production without tooling
Excellent part repeatability
Smooth, high-quality surfaces
Strong and durable end-use components
With its versatility and performance, Nylon PA12 MJF is a reliable choice for both prototyping and serial production.
Its mechanical properties, dimensional stability, and surface finish make it suitable even for final products exposed to mechanical stress or environmental challenges.
Looking to start your next 3D printing project with Nylon PA12 MJF?
Contact one of our experts to find the best solution for your application and production needs.






