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MJF Nylon PA12

HP Multi Jet Fusion

  • High-performance plastic, popular for a wide variety of industries and uses

  • Parts ready in as little as 5 business days

  • Volume discounts

  • Multiple finishing options

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+/- 0.3
mm part tolerances

min. 5 day
lead time

380 x 285 x 380
mm build size 

MJF Nylon PA12

Nylon PA 12 is one of the most common plastics used in industrial 3D printing because of it's balance of excellent material properties, fine detail and low cost. This versatile plastic is flexible, has high impact resistance, is UV and water resistant, and is certified biocompatible. These qualities make it optimal for a wide range of uses in various industries including automotive, healthcare, consumer goods, and aerospace.

HP Nylon PA12 is printed on the HP Multi Jet Fusion 5200, with production speeds up to 10x faster than comparable technologies. This material is ideal for rapid prototyping and low-to-mid-range manufacturing.

Print time   

Min. 5 business days

Resolution

0.08 mm

Printer used             

HP Multi Jet Fusion 5200    learn more 

Finishes

Raw: This is how the parts come out of the printer after being air-cleaned. The color is a powdery gray, that may be inconsistent in areas that are harder to reach by the air blaster used to remove printing powder. This is a great low-cost option for non-visual end-use or rapid prototyping.

 

Black: Black dye gives the part an engineering-grade finish with a matte look and feel. No material is removed and the original geometry of the part is retained.

Vapor Smoothing: Vapor Smoothing is a physio-chemical process that smooths the surface of PA12, giving a look and feel comparable to injection-molded parts. The process is non-line-of-sight and can smooth both internal and external surfaces of parts, with no degradation of a parts’ dimensional accuracy, and improves some mechancial properties such as increased water resistance. This treatment is the best option for customer-facing parts, or for conditions where the part will be subject to consistently wet conditions.

​Key Benefits

  • Produces strong, high-density parts with near-isometric properties on x-y and z axis.

  • Excellent chemical resistance to oils, greases, alphalitic hydrocarbons, and alkalies.

  • UV resistant.

  • Water- and air-tight without further treatment.

  • Designed to produce functional parts with fine detail and dimensional accuracy.

  • Meets biocompatibility certifications such as USP Class I-VI and US FDA guidance for Intact Skin Surface Devices.

Applications

  • Complex assemblies, housings, enclosures.

  • Water- and air-tight applications.

  • Snap fits and hinges.

  • Industrial tooling and modeling.

  • Bio-compatible parts.

  • Plastic gears, screws, nuts, and bolts.

  • Medical and dental devices, such as dental molds and orthotics.

Technical Specifications

Density of Part                      1.01 g/cm3             

Tensile Modulus                    1700 MPa (XY), 1800 MPa (Z)

Tensile Strength                     48 MPa (XY), 48 MPa (Z)                    

Elongation at Break               20% (XY), 15% (Z)

 

Heat deflection                      175 C (@ 0.45 MPa), 95 C (@1.82 MPa)

View full technical specifications 

Design Guidelines

Printing resolution            80 microns

Accuracy                         +/- 0.3% (minimum of +/- 0.3 mm)

Max build volume            380 x 284 x 380 mm (15 x 11.2 x 15")

Min wall thickness            0.6 mm (flexible), 2 mm (rigid)

Connecting parts             min 0.5 mm between part interface areas

Moving parts                    min 0.7 mm between faces of printed assemblies

 

Emboss / deboss             min 0.5 mm           

Design considerations

  • Thin and long parts, as well as large flat surfaces, may be prone to warping. Refer to our design guide to minimize the possibility of deformation.

  • Consider hollowing or adding internal lattice structure to large solid pieces to improve accuracy and minimize cost. Refer to our design guide for details.

  • Hinges, sockets, and linked parts (such as chain mail) can be integrated into the design. See our design guide for details.

View full Design Guidelines

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HP Multi Jet Fusion Manufacturing Standards

​With Multi Jet Fusion, a dimensional accuracy of +/- 0.3% with a lower limit of +/- 0.3% is consistently achievable across prints.

Please note that parts outside of the specifications in our design guide risk being out of tolerance. Please refer to these guidelines to ensure you achieve the best possible result. The main issues to be aware of are how to minimize the risk of warping for large flat surfaces, and how to avoid sink or shrinking on thick-walled parts. Our professionally-trained technical team is always happy to answer any questions you may have about designing for MJF.

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