| HS Code | 558857 |
| Product | Proto3000 HP 3D High Reusability PA 11 3D Printing MultiJet Fusion Polymer |
| Material Family | Polyamide 11 (PA11) |
| Melting Point | 201 °C |
| Density | 1.04 g/cm³ |
| Tensile Strength Xy | 45 MPa |
| Tensile Modulus Xy | 1.1 GPa |
| Elongation At Break Xy | 45% |
| Heat Deflection Temperature 0 45 Mpa | 177 °C |
| Heat Deflection Temperature 1 82 Mpa | 60 °C |
| Notched Izod Impact Strength Xy | 8 kJ/m² |
| Powder Reusability | Up to 70% used powder ratio |
As an accredited Proto3000 HP 3D High Reusability PA 11 3D Printing MultiJet Fusion Polymer factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Proto3000 supplies HP 3D High Reusability PA 11 in a 25 kg sealed container, protected from moisture. |
| Container Loading (20′ FCL) | 20′ FCL container loaded with Proto3000 HP 3D High Reusability PA 11 polymer, palletized, secured, and sealed for safe transport. |
| Shipping | This material is shipped in sealed, moisture-resistant containers to preserve powder integrity. Transport in dry conditions, avoiding excess heat and humidity. Ensure containers are upright and secured to prevent damage. No special hazard classification, but standard PPE handling is recommended during load and unload. |
| Storage | Store Proto3000 HP 3D High Reusability PA 11 polymer in its original, sealed container in a cool, dry, well-ventilated area. Protect from direct sunlight, moisture, and excessive heat. Keep tightly closed when not in use, away from incompatible materials and ignition sources, following manufacturer guidelines to maintain material integrity. |
| Shelf Life | Shelf life is approximately 24 months when stored unopened in original container, in a cool, dry place. |
Within underhood air management and low-pressure fluid routing, Proto3000 HP 3D High Reusability PA 11 3D Printing MultiJet Fusion Polymer is evaluated as a neat 100 wt% powder-bed material rather than a compounded resin; the manufacturing feed is maintained at 20 wt% fresh powder to 80 wt% recovered unfused powder on HP Multi Jet Fusion 4200/5200 platforms. The applicable compliance baseline includes SAE J1455 and ISO 16750-3:2012 for underhood thermal cycling, plus ASTM D638-14 for tensile properties; adhesion of secondary coatings is verified by ISO 4587:2003 lap-shear testing because the PA11 surface is not intrinsically bondable without pretreatment. The process sequence runs at 0.08 mm layer thickness within a 380 mm × 284 mm × 380 mm build chamber, followed by compressed-air depowdering and fine glass-bead blasting at 0.25–0.35 MPa to remove residual sinter cake from thin snap-fit tabs without eroding the fused surface. When recovered powder exceeds 80 wt%, tensile elongation under ASTM D638-14 may fall below the nominal 50% value associated with fresh-powder builds, so lot-level melt-flow verification is required before production release.
Terminal part types in this segment include low-pressure purge air elbows, battery cooling air ducts, electrical harness brackets, and urea tank access covers. The operational boundary is explicit: the polymer is not qualified for continuous pressurised glycol service above 0.4 MPa at 105 °C unless hydrolysis-resistant validation has been completed by the end user. Oxygenated fuel, aggressive brake fluid, and high-boiling aromatic hydrocarbons are incompatible with long-term PA11 exposure. Published data for this specific underhood configuration is limited; therefore, every OEM program must run material admission tests on fused plaques rather than relying on injection-moulded PA11 datasheet values.
Short-term skin-contact orthotic devices are produced from the same neat 100 wt% PA11 powder with a 20 wt% fresh / 80 wt% recovered ratio recorded in the device master record; medical lots must not mix recovered powder from non-medical builds unless a cross-contamination protocol is validated under ISO 13485:2016 clause 7.5.2. Cytotoxicity evaluation is conducted on fused plaques according to ISO 10993-5:2009 using MTT extraction, while irritation and sensitisation are assessed under ISO 10993-10:2021; if the device is marketed in the United States, the finished-device pathway is also governed by 21 CFR 820.30 design controls. The downstream production route begins with optical scan or MRI volume reconstruction, after which lattice strut diameter and shell thickness are constrained by finite element analysis to prevent buckling below 0.8 mm strut diameter. MJF fusion proceeds at 0.08 mm layer thickness, with build orientation shifted to maximise XY tensile elongation where the socket wall must withstand repeated donning loads.
After depowdering with non-recirculated compressed air, parts receive a two-stage cleaning process: a warm surfactant bath at 40 °C followed by ultrasonic rinsing in deionised water and drying at 60 °C until mass change remains below 0.1%. Steam autoclave at 121 °C is permitted only after dimensional stability is verified because PA11 can undergo shape relaxation near its glass transition at 46 °C as measured by ISO 11357-2:2020. Terminal products include ankle-foot orthosis shells, prosthetic test sockets, cranial remoulding helmet liners, and orthotic bracing clips. The material is not approved for long-term implantable tissue contact, and any device that breaches mucosa or compromised skin requires separate biological evaluation beyond the cited short-term dermal standards.
Driven by high ductility demands at lattice nodes, footwear components made from HP 3D HR PA11 are typically built with a standard 20 wt% fresh / 80 wt% recovered powder ratio; if a tighter 15 wt% fresh / 85 wt% recovered ratio is considered for cost reduction, lot-to-lot elongation must remain above 40% under ASTM D638-14 because compressive buckling at thicker nodes accelerates crack initiation in degraded powder. Compliance is evaluated on finished footwear using ISO 20344:2021 for flexing endurance and sole adhesion, while protective toe cap categories follow impact attenuation requirements in EN 12568:2010. The downstream process uses generative lattice design to vary cell density across the midsole, MJF fusion at 0.08 mm layer thickness, high-frequency vibration depowdering to clear internal channel geometries, and acid dyeing at 90–95 °C in a pH 4.5 bath for 30–60 min with 1.0–2.0 g/L acid dye concentration; the dye is a post-process addition and not a powder-bed formulation variable.
Terminal finished goods in this segment include lattice midsoles, external heel counters, shin guard shells, football boot traction plates, and ski boot tongues. A strict limitation is that PA11 lattice structures are not direct substitutes for closed-cell EVA foam in all load cases; compression set, energy return, and durability after 150,000 flex cycles must be tested on the final part geometry under ISO 20344:2021 methods. Water immersion beyond 24 h at 23 °C can alter lattice stiffness due to moisture uptake, so water-contact sports or high-humidity use require preconditioning before dynamic mechanical testing.
Because PA11 fuses into a semi-crystalline aliphatic polyamide with lower stiffness than PA12 but higher elongation before break, airframe developers select it for unmanned aerial vehicle ducts and electronics housings that must absorb high-frequency vibration rather than carry primary propeller loads. In this application the powder-management loop remains 100 wt% HR PA11; the fresh-to-recovered ratio is commonly maintained at 20 wt% / 80 wt%, but any deviation greater than 5 wt% from this ratio requires revalidation of dimensional stability because warpage in a 400 mm-long thin-wall duct can exceed 0.8 mm across the build when measured against a granite plate under ISO 1101:2017. The production process starts with MJF fusion at 0.08 mm layer thickness, followed by controlled cooling below 40 °C, vacuum and compressed-air depowdering, and abrasive tumbling to reduce internal duct surface roughness. Holes are reamed to H7 before heat-stake threaded inserts are installed at 230 °C; adhesive bonding without argon plasma or chemical primer is not accepted because untreated PA11 peel strength is highly surface-state dependent.
Compliance paths include RoHS 2011/65/EU for electrical subassemblies, REACH SVHC screening for each paint or primer, and MIL-STD-810H vibration profiles only when the UAV integrator requires them; the unfilled base powder is not in itself MIL-certified. Terminal part types include ESC housings, camera gimbal brackets, pitot tube mounts, cooling ducts, and antenna radome frames. The operational boundary remains severe for load-bearing structures: PA11 cannot replace continuous carbon-fibre-reinforced members, and when sustained bending above 25 MPa is expected, data for this specific MJF-fused configuration is limited and full flexural testing under ASTM D790-17 is mandatory.
Pneumatic manifold blocks and end-effector bodies produced from PA11 are used where metal manifolds fail because of corrosion in humid plant air; when specified, the feed stock remains neat 100 wt% PA11 and the fresh/recovered ratio is controlled at 20 wt% / 80 wt%. If recovered material is older than 12 months or has been stored above 60% RH, pre-drying at 80 °C until residual moisture is below 0.2 wt% by ISO 15512:2019 is a documented prerequisite, otherwise bubble formation and sealing-surface porosity rise consistently with moisture content. Compliance is set by ISO 8573-1:2010 for compressed air quality and ISO 4414:2010 for pneumatic system performance, while the manifold pressure boundary is tested at 1.5 times the rated working pressure using a hydrostatic method. PA11 manifolds are typically limited to 0.8 MPa maximum working pressure at 23 °C, with a 40 °C temperature derating validated by the user because creep rupture strength falls as temperature rises.
The production route uses MJF at 0.08 mm layer thickness with sealing faces oriented away from the build plate to avoid staircase-induced leak paths. After depowdering, sealing faces are machined with a single-point diamond tool to a maximum roughness of Ra 0.8 µm, then flatness is checked on a calibrated granite surface plate. Terminal products include pneumatic distribution blocks, vacuum gripper bases, compressed air nozzles, coolant return manifolds for machine tools, and low-pressure fluid logic housings. Direct tapping of printed PA11 threads is a known failure mode; installation torque above 4 N·m can shear the thread, so ASME B1.1-tapped brass inserts are recommended for threaded ports.
Directly after depowdering and bead blasting, consumer wearable frames made from HP 3D HR PA11 are treated with a UV-stabilised clearcoat because unfilled PA11 can yellow under prolonged ultraviolet exposure; the powder remains 100 wt% PA11, and the fresh/recovered ratio stays at 20 wt% / 80 wt%. Any colourant is added as a post-process dye or paint rather than in the powder, preventing metallic or ceramic pigment accumulation in the MJF fusing zone. Compliance paths include RoHS 2011/65/EU and REACH SVHC screening for the final coated article, IEC 62368-1:2020 for information technology equipment safety when integrated into a laptop or headset, and UL 94 where the OEM specifies a flame class; PA11 without flame-retardant additives is generally rated UL 94 HB at thicknesses above 1.5 mm, but this must be confirmed on fused plaques per the standard. The manufacturing sequence is fused-layer build at 0.08 mm layer thickness, controlled cooling to below 45 °C before handling, automated vacuum and compressed-air depowdering, ceramic media tumbling for 2–4 h to remove residual powder from acoustic mesh openings, and serial coating with an adhesion promoter followed by a solvent-based polyurethane clearcoat at 15–20 µm dry film thickness.
Terminal finished part types in this segment include augmented-reality lens frames, hearing aid shells, wearable sensor housings, earbud acoustic port grilles, and laptop hinge covers. The material is electrically insulative; surface resistivity testing under ASTM D257-14 is required before any antistatic or EMI-shielding claim is made. Secondary conductive coating or metallic deposition is necessary for electrostatic dissipation, and no static-dissipative behaviour should be attributed to the base PA11 powder.
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The product Proto3000 HP 3D High Reusability PA 11 3D Printing MultiJet Fusion Polymer is an unfilled polyamide 11 powder processed on HP Jet Fusion 4200/5200-series MultiJet Fusion systems. It is specified where printed parts require high elongation, repeated snap-fit assembly, impact after forming, and hydrocarbon tolerance rather than maximum tensile stiffness. The material is supplied as a high-reuse powder; the manufacturer permits a nominal refresh ratio of 20% virgin powder to 80% reclaimed powder in production builds, although application-specific validation is required at the upper reclaim limit. Datasheet values include density of 1.04 g/cm³ under ASTM D792-20, XY tensile elongation at break of 50% under ASTM D638-14, XY tensile modulus of 1800 MPa under ASTM D638-14, and Z tensile elongation of 35% under the same method. Nominal layer thickness is 80 µm. These values represent printed coupon data and are not transferable to sections thinner than 1 mm without feature-level testing.
| Property | Reference method | Conditioning or note |
|---|---|---|
| Tensile strength and elongation | ASTM D638-14 | XY and Z coupons, 23 ± 2°C, 50 ± 10% RH |
| Flexural strength and modulus | ASTM D790-17 | Three-point loading, 0.1 mm/min outer fibre strain rate |
| Density | ASTM D792-20 | Method A, solid printed coupons |
| Heat deflection temperature | ASTM D648-18 | 0.45 MPa and 1.82 MPa fibre stress |
| Notched Izod impact | ASTM D256-10 | XY and Z notched specimens, 23°C |
| Chemical resistance | ISO 175:2010 | Immersion in reference fuel; ASTM D543-20 for acids and alkalis |
Polyamide 11 is synthesised from 11-aminoundecanoic acid derived from castor oil. The longer aliphatic chain between amide groups, compared with PA 6 and PA 66, lowers equilibrium moisture absorption and stabilises dimensions in humid service. The material remains semicrystalline and melts in a range centred near 201°C; the un-fused powder bed provides support during the fusing cycle, eliminating removable support structures. Reclaim behaviour is dominated by molecular weight changes in the un-fused fraction after repeated exposure to build-chamber infrared energy. The recommended operating mix for production is 80% reclaimed powder with 20% virgin powder, but thin-wall parts, high-elongation certification builds, and parts with long unsupported spans typically use a lower reclaim fraction. Powder moisture should be maintained below 0.2% before loading to avoid steam porosity at layer boundaries. Drying in desiccated ovens at 80–100°C for 12–24 h is used when storage humidity exceeds 60% RH, and the loading station should maintain a dew point below -30°C.
Moisture uptake in PA 11 is not uniform across the powder bed; reclaimed powder at the top of the hopper can absorb moisture faster than virgin material at the core. Batch-to-batch variance in tensile elongation is therefore controlled by tracking lot age, reclaim fraction, and ambient dew point at the loading station. Print-shop records on HP Jet Fusion systems show that closed-loop build-chamber temperature does not compensate for wet powder: the most common failure mode is a fall in Z-axis tensile elongation below 20% while XY tensile strength remains within specification. This anisotropy signature is a useful process indicator because it separates powder-conditioning defects from fusing-agent calibration defects.
The un-fused fraction of PA 11 powder is not chemically inert after a build. Successive exposure to infrared fusing energy and residual fusing-agent vapours induces mild chain extension and oxidative yellowing in the reclaimed material. Melt flow-rate shifts are used as an indirect control: reclaimed powder with a melt volume-flow rate outside the range 8–15 cm³/10 min at 235°C is typically rejected for high-elongation production builds. The exact flow-rate window is grade- and lot-specific; published data for this specific configuration is limited. In practice, service bureaus maintain powder logs and blend reclaimed material into new lots only after checking melt flow and bulk density. Bulk density of conditioned PA 11 powder is typically near 0.45–0.55 g/cm³; a drop below this range indicates particle shape change or moisture uptake.
Tensile anisotropy is a larger constraint for PA 11 than for unfilled PA 12 because the high ductility of the polymer depends on full interlayer fusion. Parts extracted from the build bin show a measurable difference between XY and Z directions: XY tensile failure is usually ductile with stress-whitening at the notch, while Z-axis specimens can delaminate between layers if part packing density is low or if the detailing agent is unevenly deposited. Packing density below 10% of build volume is a known risk threshold in powder-bed fusion for warpage and anisotropic shrinkage; published data for this specific PA 11 configuration is limited, so service bureaus use validation coupons at the same build height and pack density as the production part. Cooling to below 45°C before depowdering improves dimensional stability but extends total cycle time and reduces machine utilisation.
The larger gap between XY and Z elongation is attributed to the interaction of PA 11 melt viscosity, crystallisation kinetics, and the thermal profile at the layer boundary. In this material, Z-axis elongation can fall to 35% even when XY elongation is 50%, whereas unfilled PA 12 grades frequently show a smaller relative drop. The operational implication is orientation-dependent design rules: snap-fit arms should be printed in the XY plane where possible, and load-bearing bosses should be oriented so that tensile loads do not act purely along the Z axis. Validation protocols should include Z-axis tensile coupons from the same build height as the production part, because thermal history near the build top can differ from the centre of the build envelope.
Applications include automotive hose fittings, fuel tank baffles, cable clips, drone frames, prosthetics, orthotics, and consumer snap-fit enclosures. The material is used where repeated flexing causes brittle nylons to crack; PA 11 provides a combination of 50% elongation and notched Izod impact in the range of 4–6 kJ/m² at 23°C. For electrical service, PA 11 is an insulating thermoplastic with a dielectric constant typically in the range of 3.0–4.0 at 1 MHz, but the value shifts with moisture content and build orientation. Food-contact and medical devices are not automatically covered by the resin datasheet; compliance must be confirmed for the specific grade, dye, bead-blast media, and post-processing route. Published data for this specific configuration is limited for long-term UV ageing and cyclic fatigue after vapour smoothing.
Compared with HP 3D High Reusability PA 12, this PA 11 grade produces a lower-modulus part with higher notched impact energy and higher elongation. The trade-off is that PA 11 can show slightly higher surface roughness after bead blasting and may require longer cooling before depowdering when thin walls are present. Compared with glass-filled PA 12, PA 11 shows much lower flexural modulus and lower heat deflection temperature but substantially higher damage tolerance under flex fatigue and impact. Compared with injection-moulded PA 6 or PA 66, the longer aliphatic chain reduces moisture sensitivity and improves low-temperature toughness, although the powder cost per kilogram is higher and the reclaim behaviour is more sensitive to infrared exposure history.
Designers replacing a glass-filled nylon should not directly substitute PA 11 without checking deflection under load. A glass-filled MJF polymer may show flexural modulus above 3500 MPa, while PA 11 is near 1700 MPa; thin ribs and snap arms may deflect excessively if the geometry was originally stiffened for glass-filled material. For fuel-contact prototypes, PA 11 tends to retain impact resistance after immersion in hydrocarbon media better than short-chain nylons, but dimensional changes with moisture absorption remain measurable. A starting tolerance of ±0.15 mm for features under 50 mm is used for process planning, but larger parts require build-volume mapping because MJF thermal history is not uniform across the entire build envelope.
Bead blasting with glass or ceramic media is used to remove residual powder and homogenise surface gloss. Blasting pressure above 4 bar can reduce surface elongation and create microcracking in thin sections; lower pressure and longer exposure are preferred for snap-fit features. Dyeing in an acid dye bath at 85–95°C for 30–60 min is common for black or colour-matched parts, but the hot-water dye cycle increases moisture uptake and changes dimensional stability until fully dried. If dyeing is required, parts should be re-dried at 80°C to constant mass before dimensional inspection. Vapour smoothing with solvent systems must be validated for fuel-contact parts because residual solvent can plasticise the surface and reduce notched impact.
Where PA 11 is selected for fuel tank baffles, filler necks, or fluid connectors, dimensional stability should be confirmed after conditioning to the service environment. Immersion testing per ISO 175:2010 and chemical resistance testing per ASTM D543-20 are specified before production release. If the part is exposed to hot fuel above 60°C, validation should include notched impact testing at -20°C, 0°C, and 23°C after immersion, because low-temperature toughness after hydrocarbon absorption is the most common long-term failure mode. Vapour smoothing and dyeing alter the surface; each post-process should be treated as a separate material variant for chemical resistance and mechanical testing.
Material compliance for a particular build is contaminant-dependent. REACH and RoHS 2011/65/EU statements should be requested from the powder supplier for the specific lot, and the final part may not inherit those statements if dyed, vapour-smoothed, or assembled with non-compliant hardware. The unfilled PA 11 resin is generally outside the scope of food-contact certification unless tested at the finished-article level; no FDA 21 CFR 177.1500 claim is made for the printed part unless the manufacturer provides a written declaration for the exact post-process route. Dust control and powder handling are operational constraints. Fine polyamide powder can form a combustible dust atmosphere if handling equipment lacks grounding and ventilation designed for polymer powders. The powder should be stored in sealed containers below 30°C and protected from direct sunlight; containers opened for more than 48 h should be blanketed with dry air or inert gas. Waste powder, bead-blast media, and solvent-soaked wipes are segregated because mixed polymer waste streams are not acceptable under recycling documentation.
