HP High Reusability PA12 is a strong, tough nylon, 3D printed by HP Multi Jet Fusion (MJF), for detailed prototypes and production parts in the same material. Parts are equally strong whichever way they are built, come out watertight with sharp detail, and let snap fits and threads behave like moulded parts. Its powder is highly reusable, which keeps part costs down. It resists oils, greases and vehicle fluids, and suits vehicle cab parts, wearables, device housings, robot tooling and pilot runs.
How HP High Reusability PA12 is manufactured
HP High Reusability PA12 is manufactured using HP Multi Jet Fusion (MJF), an industrial powder-bed process that applies fusing and detailing agents with 1200 dpi precision and fuses each full layer with heat, producing sharp edges and fine features. Parts build without support structures or tooling, with consistent thermal control across the build. Complex geometries, internal features and consolidated designs are produced with excellent repeatability, from functional prototypes to production runs.
Upload CAD files to Forge Labs Steam for instant HP High Reusability PA12 pricing and live manufacturability feedback, and fix issues before production so timelines stay predictable.
Upload CAD files to Forge Labs Steam for instant HP High Reusability PA12 pricing and live manufacturability feedback, and fix issues before production so timelines stay predictable.
MJF parts have a smooth, matte surface with a slightly grainy texture due to the powder-based printing process. Unlike FDM, MJF does not produce visible layer lines, resulting in a more uniform and professional appearance straight from the printer. At Forge Labs, bead blasting is performed as a standard post-processing step to remove excess powder and refine the surface texture.
MJF parts are delivered with a standard bead-blasted finish in natural grey. This process removes excess powder and slightly smooths the surface while maintaining the material's natural matte texture.
Specialized dye bath creates deep, uniform black color that chemically bonds with the nylon material. Unlike painted finishes, the dye fully penetrates the surface and won't chip or wear off over time.
Advanced chemical smoothing technique that enhances surface quality by slightly melting and redistributing the surface material, eliminating grainy texture and sealing porous areas.
Automotive-grade coating that enhances aesthetics and durability. Hand-finished for smooth surfaces with professional-grade equipment. Custom color matching available for precise branding needs.
HP High Reusability PA12 combines high powder reusability (up to 80%) for cost efficiency with consistent mechanical properties for demanding applications. From rapid prototyping to production runs, teams rely on it to maintain tight tolerances while reducing assembly complexity through consolidated part designs.
HP's fusing and detailing agents create sharp edges and fine text, with clearances, holes and gaps down to 0.5 mm, and parts are watertight without additional post-processing.
Its resistance to oils, greases, aliphatic hydrocarbons and alkalies, together with FMVSS 302 flammability testing and intact-skin biocompatibility testing, makes it a dependable choice for vehicle interiors, fluid-contact parts, skin-contact wearables and device housings.
The technology excels at bridge production and mass customization, with single builds producing hundreds of unique parts without tooling changes. MJF delivers a low cost per part, so production runs stay economical at volume.
Clean Tech
Touch-proof covers for fuel cell connections, made to GD&T drawings with first article and per-part checks.
Consumer Electronics
Production visor frames for VR headsets, with more than 1,000 components every 72 hours.
Automotive
Cab enclosures and fluid-contact parts in an FMVSS 302 tested nylon that resists oils, ATF and brake fluid.
Industrial Design
Pilot runs of 10 to 1,000+ units, with snap fits, threads and moving parts printed in.
Robotics & Automation
Lightweight end-of-arm tooling, fixtures and light shields with integrated features printed in.
Clean Tech
A fuel cell equipment maker ordered HP High Reusability PA12 touch-proof covers for high-voltage connections, long low-voltage covers and small support rings as production parts to its own drawings. The material has the stiffness to hold each cover's shape and the toughness to handle fitting and removal at the mounting lugs. The order fixes build direction, GD&T to ASME Y14.5 and part marking, and calls for a first article inspection and a bounding-box check on every part.
Consumer Electronics
Hardware developers use HP High Reusability PA12 for headset visor frames that must stay stiff enough to hold optics in line, with snap fits, alignment pins and accessory mounts printed into the part. Once one developer's design was validated, production moved to the HP Jet Fusion 5200, where densely packed builds turned out more than 1,000 visor components every 72 hours, and its display and review units were vapor smoothed for an injection-moulded feel.
Automotive
Vehicle makers use HP High Reusability PA12 for cab control enclosures, console frames, holders and brackets reordered as vehicles are built, and for service trim on fleets no longer in production. It meets FMVSS 302, identical to Canada's CMVSS 302, on the HP Jet Fusion 5200 platform Forge Labs runs, and weeks of immersion in hot motor oil, ATF, brake fluid and coolant caused no chemical attack or stress cracking.
Industrial Design
Product teams use HP High Reusability PA12 for pilot runs, market-test units and limited launches of consumer electronics, wearables and sporting goods, in batches of 10 to more than 1,000 units with no tooling. Its toughness lets snap fits and threads behave like moulded parts, moving and hinged parts print already assembled, and heat-set inserts take production fasteners.
Robotics & Automation
Production lines and robotics teams use HP High Reusability PA12 for end-of-arm tooling, assembly jigs and fixtures, inspection gauges and line components, and for machine-vision light shields and covers. Internal channels and integrated features print in one part, a design change is simply a new file, and at well under half the density of aluminium the tools are far lighter than machined metal. Low abrasion loss suits handling and sliding parts.
Values from HP's 3D High Reusability PA 12 datasheets for the Jet Fusion 5200 Series, with extended data from the 5600 Series, tested to the standard listed with each property.
Mechanical performance
HP High Reusability PA12 delivers dependable strength and impact resistance for functional prototypes, end-use parts and automotive interior and under-hood components, helping teams move from prototype to production with confidence. Its balanced mechanical profile handles demanding load conditions.
Elongation and unnotched impact strength are higher in XY than in Z, so flexing features such as snap fits and clips perform best laid in the XY plane. Stiffness and strength fall well above room temperature, so size loaded parts that run warm from the 55 and 90 °C values, and use HP's −40 °C notched impact values for vehicle and outdoor parts in cold service.
Material makeup
Consistent density and surface quality keep critical features in tolerance and downstream finishing predictable. Low density makes parts lightweight yet durable, and minimal warpage means parts meet specifications after standard bead blasting, so assemblies fit and finish without secondary rework.
Upward and downward faces finish smoother than side walls, so place cosmetic faces flat in the build. Its powder particle size and bulk density give consistent, well-packed builds.
Heat performance
For under-hood automotive components and industrial equipment exposed to heat sources, use the higher-load heat deflection value and the relative thermal index when sizing loaded parts near heat, and allow clearance on long parts that run warm, because expansion increases above room temperature.
HP also publishes glow-wire, ball pressure and relative thermal index results, the values electrical equipment designers use to qualify housings and covers.
Functional performance
Its high volume resistivity makes HP High Reusability PA12 an electrical insulator for housings, connector covers and insulating features in integrated electrical systems.
Dielectric strength is lowest in XY, and the Z value falls after humid conditioning, so design touch protection into a cover's shape, fixing and clearances, and confirm it in testing of the finished product.
Compatibility data
HP rates HP High Reusability PA12 for good resistance to oils, greases, aliphatic hydrocarbons and alkalies. In its automotive fluid immersion study, no sample showed chemical reaction, stress cracking or solvation: brake fluid was absorbed without plasticizing the part, coolant slightly plasticized the samples, and most of the grease weight gain was residue left on the surface.
Chemical ratings are screening guidance; confirm them with application-specific testing before production release.
Medical readiness
HP tested representative parts printed from fresh HP High Reusability PA12 powder with its fusing and detailing agents on the Jet Fusion 4200/4210 to USP Class I–VI, ISO 10993-5, -10 and -11 and US FDA guidance for intact skin surface devices. These results support regulatory reviews for intact-skin devices and housings; each device maker tests its own device, and HP makes no sterilization claim for this grade.
HP has tested it to FMVSS 302 for vehicle interiors and provides RoHS and REACH declarations. It is rated UL 94 HB and is not flame retardant.
Datasheets, design guidance and supplier documentation for HP High Reusability PA12.
Access the most recent datasheet and supporting documentation maintained by our engineering team.
HP High Reusability PA12 datasheetExplore printable geometry recommendations, wall thickness tips, and finishing playbooks for MJF.
View MJF design guideSupplier declarations and test statements for this material.
HP High Reusability PA12 is manufactured using Multi Jet Fusion (MJF) technology, combining speed and consistency for high-volume production applications. Forge Labs' HP Jet Fusion 5200 systems run continuous build, cool and unpack cycles, so production lots run back to back with rapid cycle times.
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