HP Multi-Jet Fusion (MJF)

Volume Production of End-Use Parts

Multi Jet Fusion (MJF) by HP is a new powder-based 3D printing process that chemically melts powder together to create durable, complex parts with a consistent surface finish & excellent mechanical properties.

Multi Jet Fusion is ideal for manufacturing end use parts at high volumes. The technology is powder based which means parts can be nested & stacked in the z axis to rapidly produce parts at higher volumes faster than other 3D printing technologies.

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Parts 3D Printed

± 0.3

MM Part Tolerances



4-7 Day

Average Lead Time

Materials | HP Multi Jet Fusion

black mjf partPA 12 (Nylon 12)

Tough and Durable

PA 12 is a durable nylon material with excellent surface resolution. PA12 produced using Multi Jet Fusion is very high density (98%) makes the parts highly durable, and watertight right out of the printer. PA12 also meets meets USP Class I-VI and US FDA guidance for Biocompatability.

Colours Available: Black

Tensile Strength

48 MPa

Tensile Elongation

20 %

Flexural Strength

70 MPa

Izod Impact, Notched

3.5 kJ/m2

Heat Deflection

95 °C @1.82 MPa

  Download Material Data Sheet

Advantages of Multi Jet Fusion

  • Durability

    Produces dense, functional parts with consisitent durablity. Tough enough for end-use, low-volume production.

  • Accurate

    Durable yet more accurate than FDM, MJF is capable of replicating small features with crisp details and a consistent surface finish.

  • Large Builds

    Hundreds of parts can be stacked and nested together in MJF’s spacious build of 380 x 284 x 380 mm (15 x 11.2 x 15 in)

  • Small Production Runs

    MJF is ideal for small production runs of end use parts with material properties comparable to injection molded parts.

Design Guidelines | Powder Bed Fusion

  • Minimum Wall Thickness:

.8 mm

  • Engraved Details

Thickness & depth of at least 0.8 mm

  • Embossed Details

Thickness & depth of at least 0.7 mm

  • Clearance

0.7 mm

  • Minimum Hole Size

1.5 mm or 3 mm for internal chanels

  • Layer Height

70 μm

  • Maximum Build Size

200 x 250 x 330 mm (16 x 14 x 14 in.)

  • Tolerances

±0.3%, with a lower limit of ±0.3 mm.

  • Surface Finish

Parts are sandblasted and have a uniform grainy matte texture

  • Warping & Deformities

Avoid large flat planes which are likely to cause warping.