| HS Code | 913682 |
| Material | Polyamide 11 (PA11) |
| Bio Based Carbon Content | 100% (castor-oil based) |
| Color | White |
| Particle Size D50 | 45 µm |
| Bulk Density | 0.43 g/cm³ |
| Density Of Finished Parts | 1.01 g/cm³ |
| Melting Temperature | 186 °C |
| Tensile Strength | 44 MPa |
| Elongation At Break | 47% |
| Tensile Modulus | 1360 MPa |
| Flexural Modulus | 1250 MPa |
| Charpy Impact Strength | 90 kJ/m² |
| Shore Hardness | 72 Shore D |
| Heat Deflection Temperature 0 45 Mpa | 160 °C |
As an accredited Prodways PA11-SX 1450 Powder for Laser Sintering factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Prodways PA11-SX 1450 powder is supplied in a sealed 10 kg box, ready for laser sintering use. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 20-foot full container load of Prodways PA11-SX powder, palletized and sealed for safe transport. |
| Shipping | Prodways PA11-SX 1450 Powder ships in sealed, moisture-proof containers to prevent clumping and contamination. Handle with care to avoid dust generation; use grounding and proper ventilation. Not classified as dangerous goods, but avoid extreme heat. Standard ground transport is suitable, with protection from dampness and physical damage. |
| Storage | Store Prodways PA11-SX 1450 Powder in a cool, dry, well-ventilated area, inside its original sealed container. Keep tightly closed when not in use to prevent moisture absorption and contamination. Avoid heat, sparks, static discharge, and contact with oxidizers. Protect from direct sunlight and damp conditions to preserve powder flow and print quality. |
| Shelf Life | Shelf life is typically 12 months when stored sealed in a cool, dry place, protected from moisture and sunlight. |
Within automotive fluid-handling and under-hood ducting programs, PA11-SX 1450 powder functions as a laser-sintering feedstock for short-run service components that must survive constant exposure to synthetic engine oil mist, diesel fuel splash, and zinc chloride road-salt aerosol. Specification for such components is typically validated against SAE J2260-2019 for non-metallic fuel-system tubing and ISO 16750-5:2010 for chemical load from service fluids; tensile coupons are pulled according to ISO 527-1:2019 / ISO 527-2:2019 type 1BA, while notched Charpy impact data are generated under ISO 179-1:2020. The powder addition ratio in the SLS feed hopper is maintained at 70:30 virgin-to-reclaimed mass fraction for ducting clips and service brackets, whereas fuel-contact quick connectors and crankcase ventilation elbows require 100 wt% virgin PA11-SX 1450 because reclaimed powder introduces cross-contamination from previous build jobs and reduces wall-density consistency in sealing features. Downstream production uses a 30 W CO₂ laser system with a 120 μm layer thickness, powder bed preheat held between 170 °C and 185 °C, and a scan energy density of 0.06–0.12 J/mm²; parts are built with critical sealing surfaces oriented 15–30° off the Z-axis to avoid layer-plane microvoids opening under pressure pulsation cycles. Production-scale equipment behavior in this segment has shown that parts built below the 170 °C bed-temperature threshold exhibit peripheral curl at layer boundaries, while batch-to-batch impact variation is minimized only when reclaimed powder is screened through a 150 μm mesh and mixed with virgin powder for a minimum of 20 minutes in a dry-air hopper at 40 °C and below 25% RH. Terminal part families include crankcase ventilation elbows, EV cooling-line retaining clips, diesel fuel vapor separators, and air-intake duct adaptors.
Orthotic and prosthetic socket manufacturers select PA11-SX 1450 for non-invasive, skin-adjacent devices because its combination of low density and high ductility permits shell thinning without sacrificing flexural fatigue resistance. Biocompatibility assessment follows ISO 10993-1:2018 as a risk-based framework, with in vitro cytotoxicity screened under ISO 10993-5:2009 and irritation/delayed sensitization tested under ISO 10993-10:2021; custom-made external devices are placed under the quality system requirements of EU MDR 2017/745 for patient-matched orthoses, while general chemical registration remains bound to REACH (EC) No 1907/2006 Annex XVII restricted substances. The powder formulation addition ratio for structural orthotic shells is typically limited to 80:20 virgin-to-reclaimed PA11-SX 1450, and only when the reclaimed fraction is sourced from a dedicated medical-only SLS machine; any shell surface that will be in prolonged skin contact is produced from a 100 wt% virgin powder bed to reduce trace contamination risk. Downstream manufacturing proceeds with the long axis of the shell inclined 25–35° from the Z-axis so that cyclic hinge zones do not align with the interlayer plane; depowdering uses low-pressure compressed air at 0.2–0.4 MPa followed by soft glass-bead blasting with 200–300 μm spheres at 2–3 bar to smooth the surface before solvent wiping. Clinical fabrication lines report that batch-to-batch stiffness drift is caused less by powder chemistry than by ambient humidity absorption during open powder handling; moisture uptake above 0.15 wt% before sintering increases surface defects and requires drying in a 80 °C vacuum oven for 12 hours. Terminal devices produced in this segment include ankle-foot orthoses, prosthetic check sockets, kyphosis braces, and post-operative fracture braces.
When athletic footwear midsoles migrate from injection-molded TPU or EVA to selective laser-sintered PA11-SX 1450 lattices, the practical advantage is cell-level control of wall thickness and localized density without tooling, but the powder addition ratio becomes the central variable for fatigue consistency. For footwear components that are not structural safety elements, a 70:30 virgin-to-reclaimed powder blend is used for midsole prototypes and auxiliary padding, while pads applied near the heel and forefoot strike zones are built from 100 wt% virgin PA11-SX 1450 to stabilize impact-attenuation repeatability over 100 000 flex cycles. Physical test methods applied to the finished footwear include ASTM F1976-20 for impact attenuation and ISO 20344:2021 section 8.5 flexing endurance; chemical compliance for consumer articles is documented under REACH (EC) No 1907/2006 Annex XVII and California Proposition 65 where applicable. The downstream SLS process for midsole lattices requires powder bed preheat between 172 °C and 180 °C, a 100 μm layer thickness, and a 30 W CO₂ laser operating with a scan speed in the range 9–11 m/s; lattice cell dimensions are kept above 2.5 mm with powder-evacuation perforations not smaller than 3 mm to avoid trapped powder mass accumulation. On production machines, vertical lattice struts built at 90° to the build platform exhibit lower fatigue life than those oriented at 45°, and the failure mode is typically layer-boundary microcracking under compression-shear cycling rather than bulk polymer fracture. Terminal footwear and protective-gear outputs include custom trail-running midsole prototypes, cycling shoe insoles, striker shin-guard cores, and helmet liner lattice test coupons.
On fixed-wing UAV production lines where airframe mass trade-offs collide with landing-impact survival requirements, PA11-SX 1450 laser-sintered parts replace machined glass-filled nylon for short-run structural brackets and antenna housings. The application is governed by Directive 2014/53/EU when RF-transparent enclosure materials are integrated into wireless systems, with material-level mechanical validation performed under ASTM D638-14 for tensile properties and ASTM D256-23 for notched Izod impact; RoHS compliance is documented against 2011/65/EU Annex II as amended by (EU) 2015/863. The powder blend addition ratio for non-flight-critical prototype parts is set at 60:40 virgin-to-reclaimed PA11-SX 1450 only when each reclaimed batch is accompanied by tensile coupon data, while landing-gear attachment brackets and propeller guards use 100 wt% virgin powder to avoid any reduction in low-temperature impact resistance. Production processing uses a 100 μm layer thickness with a powder bed preheat of 175–182 °C, and components are oriented so that the highest expected service load direction does not coincide with the Z-axis; after build, parts are depowdered by compressed-air pulse cleaning at 0.5 MPa, followed by acid-dye coloring at 90 °C for visual inspection without altering critical dimensions. Build-room experience shows that when the reclaimed ratio exceeds 40 wt%, first-layer bonding variability increases because aged powder absorbs moisture and reduces powder bed densification; batch acceptance therefore includes a notched Izod test coupon built in the same chamber. Terminal UAV-specific part families include antenna radome brackets, battery tray isolators, propeller guards, and camera gimbal vibration-damping yokes.
Reverse-side snap-fit arms printed flat in the XY build plane are the dominant design constraint for PA11-SX 1450 wearable enclosures because interlayer bonding along the Z-axis governs cyclic insertion fatigue. The compliance set for consumer wearable accessories includes IEC 62368-1:2023 for audio/video, information and communication technology equipment, RoHS 2011/65/EU Annex II as amended by (EU) 2015/863, and REACH (EC) No 1907/2006 Article 33 SVHC communication; for low-power accessory housings that do not require V-0 flame ratings, a UL 94 HB classification is documented with a thickness equal to the production wall. The powder addition ratio is held at 75:25 virgin-to-reclaimed PA11-SX 1450 for battery doors and non-skin-contact enclosure frames, while smartwatch case bodies and wearable medical patch retainers are produced from 100 wt% virgin powder because skin-contact applications demand consistent traceability and smooth surface finishing. Downstream manufacturing uses a 100 μm layer thickness and a 30 W CO₂ laser with perimeter compensation calibrated to 0.15 mm so that snap-fit beam deflection targets of 0.4–0.6 mm are met without iterative scaling; parts are depowdered with an ultrasonic sieve-integrated recovery station and then vapor-smoothed at 50–60 °C for 30–60 minutes to reduce porosity and improve tactile feel. Production-scale failure records show that snap-fit arms oriented vertically fail after fewer insertion cycles by splitting at layer interfaces, and the primary corrective control is to rotate the part so the beam length lies within the XY plane, not to increase wall thickness. Terminal products include smartwatch case bodies, AR eyewear rim prototypes, earbud charging-case covers, and non-critical medical patch retainers.
Vacuum gripper manifolds and robot end-of-arm bodies made from PA11-SX 1450 are subject to continuous moisture ingress from compressed air lines, cyclic clamping, and occasional collision with pallet edges; these conditions make notched impact toughness a decisive material-selection parameter. Safety and mechanical-interface compliance is covered by ISO 9409-1:2004 for robot tooling flanges and ISO 12100:2010 for risk assessment of the integrated EOAT assembly, with the entire unit assessed under the machinery directive 2006/42/EC when placed into service in the EU. The feedstock addition ratio for high-fatigue gripper jaws is set at 80:20 virgin-to-reclaimed PA11-SX 1450, but vacuum manifold walls under 1.5 mm thickness use 100 wt% virgin powder to prevent porosity-related leakage paths from reclaimed-particle contamination. Production builds use a 120 μm layer thickness, powder bed preheat from 170 °C to 185 °C, and a laser energy density of 0.08–0.12 J/mm²; generative-design lattices are limited to 25–40% relative density, with 4 mm escape holes at all internal cavities to enable complete depowdering. Machine-shop post-processing includes machining of socket-head screw seats and heat-stake insertion of M3 brass threaded inserts at 190 °C after laser-sintered pilot holes are reamed to 0.1 mm under nominal diameter. Field observations from high-cycle palletizing cells indicate that vacuum manifolds built with reclaimed powder ratios above 20 wt% demonstrate measurable batch-to-batch variation in burst pressure testing, whereas virgin-only manifolds consistently exceed the required 0.6 MPa negative-pressure rating. Terminal components include vacuum gripper manifolds, palletizing EOAT brackets, optical inspection alignment nests, and robot-safe collision-sensing mount housings.
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Prodways PA11-SX 1450 powder is a polyamide 11 feedstock for polymer laser sintering in powder-bed fusion systems classified under ISO/ASTM 52900 as PBF-LB/P. The material is an unfilled, bio-sourced polyamide 11 supplied as a free-flowing powder with a reported crystalline melting peak near 188 °C, a dry part density near 1.04 g/cm³ determined according to ISO 1183-1, and a tensile modulus in the x-y build plane near 1500 MPa when tested to ISO 527-2. The C11 monomer structure of polyamide 11 contains fewer amide linkages per unit chain mass than PA6 or PA66, which reduces moisture-driven dimensional change relative to short-chain polyamides. The grade is positioned for functional prototypes, short-run production, and ductile mechanical components requiring high elongation and low-temperature impact resistance. It is commonly qualified on open-platform CO2 laser sintering hardware operating with a layer thickness in the 0.10 mm to 0.12 mm range.
Successful processing of PA11-SX 1450 begins with control of powder feed, build chamber, and part bed temperatures. Laser sintering of semicrystalline polyamide 11 requires the part bed to be held within a narrow window below the crystalline melting peak. For PA11-SX 1450 this window is commonly reported between 170 °C and 180 °C, although the exact setpoint depends on laser energy input, part packing density, and recycled-powder condition. The build chamber is purged with nitrogen to hold oxygen concentration below 1 %, and the feed powder is pre-dried at 80 °C for 4 h to 6 h when moisture uptake exceeds 0.2 % by mass. On a CO2 laser system with a 30 W source and 0.10 mm layer thickness, the energy density is balanced so that the 188 °C melting endotherm is exceeded only in scanned regions while surrounding powder remains non-fused. Excessive laser energy produces discolouration and reduces reclaimed powder quality; insufficient energy produces interlayer delamination and low density. Machine-specific parameter sets for this product are available from the equipment manufacturer, but published third-party data for direct parameter optimisation remains limited.
The PA11-SX 1450 datasheet values define a ductile unfilled polyamide 11 at room temperature. The following typical values are conditioned at 23 °C and 50 % relative humidity in accordance with ISO 291 and are supplied as x-y orientation references. Z-direction tensile strength may be lower and should be characterised for structural applications.
| Property | Test standard | Typical value |
|---|---|---|
| Density | ISO 1183-1 | 1.04 g/cm³ |
| Tensile modulus, x-y plane | ISO 527-2 | 1500 MPa |
| Tensile strength, x-y plane | ISO 527-2 | 46 MPa |
| Elongation at break, x-y plane | ISO 527-2 | 20 % |
| Flexural modulus | ISO 178 | 1200 MPa |
| Charpy impact, unnotched | ISO 179-1/1eU | 55 kJ/m² |
| Heat deflection temperature, 0.45 MPa | ISO 75-2/B | 165 °C |
| Water absorption, equilibrium | ISO 62 | 1.8 % |
In thermal resistance terms, the heat deflection temperature at 0.45 MPa reported near 165 °C does not imply continuous load-bearing use at that temperature. The practical continuous service ceiling for thin-walled unfilled PA11 parts under load is typically below 120 °C because oxidative embrittlement and creep reduce stiffness over time. In hydrocarbon and oil-contact environments, PA11-SX 1450 shows the solvent resistance typical of long-chain polyamides under ISO 175. It is not recommended for continuous exposure to strong mineral acids, oxidising media, or hot polar solvents. Painted, dyed, and mechanically finished parts require cleaning to remove residual powder before any sealing operation.
In multi-clip fluid-transfer brackets and snap-fit housings, PA11-SX 1450 is processed with an orientation that places the primary tensile load in the x-y plane. The unfilled material provides an elongation at break above 20 % measured according to ISO 527-2 and an unnotched Charpy impact near 55 kJ/m² per ISO 179-1/1eU, allowing interference fits to engage without brittle fracture during assembly. In air-intake ducting and low-pressure pneumatic components, the lower moisture uptake of long-chain polyamide 11 reduces the dimensional expansion that affects short-chain polyamide grades, although the specific dimensional change should be confirmed on the production build because powder ageing and build orientation alter crystalline content.
When unfilled PA11-SX 1450 is evaluated against PA12 powders in a laser-sintering portfolio, the selection difference is primarily thermal, chemical, and mechanical. PA11-SX 1450 has a density near 1.04 g/cm³, whereas most unfilled PA12 laser-sintering powders are reported near 1.01 g/cm³. The PA11 grade typically exhibits a lower tensile modulus, higher elongation, and comparable or slightly higher toughness than PA12 at low temperature. The equilibrium water absorption of PA11 is reported near 1.8 % per ISO 62, slightly above many PA12 references at 1.5 %, but well below PA6 references above 9 %. The following table compares representative laser-sintered values; the PA12 column is a composite reference from unfilled PA12 datasheets and not a direct grade-to-grade test series.
| Parameter | Test standard | PA11-SX 1450 | PA12 reference |
|---|---|---|---|
| Density | ISO 1183-1 | 1.04 g/cm³ | 1.01 g/cm³ |
| Tensile modulus | ISO 527-2 | 1500 MPa | 1700 MPa |
| Tensile strength | ISO 527-2 | 46 MPa | 48 MPa |
| Elongation at break | ISO 527-2 | 20 % | 15 % to 20 % |
| Heat deflection temperature, 0.45 MPa | ISO 75-2/B | 165 °C | 175 °C |
| Water absorption, equilibrium | ISO 62 | 1.8 % | 1.5 % |
Where flexural modulus above 3000 MPa is required, a glass-filled or carbon-filled polyamide grade should be selected. PA11-SX 1450 is not designed for high-stiffness structural brackets demanding isotropic modulus, nor for applications requiring the higher abrasion resistance of filled PA12 grades. The unfilled PA11 grade is also distinct from impact-modified PA11 formulations that may offer higher elongation but lower stiffness.
Recycling PA11-SX 1450 without a defined virgin-powder refresh schedule shifts the melt pool and the resulting mechanical response. In laser sintering, unused powder adjacent to scanned parts is subject to prolonged heat exposure, which induces chain extension, increases melt viscosity, and changes the crystallisation onset. In production environments, recycled PA11 powder reused at high fractions may produce parts with lower elongation, darker colour, and increased incidence of surface defects. Reported practice on open-platform SLS machines commonly uses virgin refresh rates between 30 % and 50 %, but these are process-specific. Before locking a refresh ratio, production units should qualify tensile specimens per ISO 527-2, impact specimens per ISO 179-1/1eU, and density per ISO 1183-1 for each blend. Recovered powder should be sieved through a 120 µm mesh to remove agglomerates and fused ash. Powder conditioned above 0.2 % water by mass should be dried at 80 °C for 4 h to 6 h before reintroduction. Published data for the maximum number of re-use cycles for PA11-SX 1450 is limited, so extended reuse requires in-house ageing studies and part acceptance criteria.
Because the layer-wise fusion path produces x-y and z-direction property differences, stress analysis should not treat PA11-SX 1450 as isotropic. The z-direction tensile strength is often lower than the x-y plane value, and the reduction can be in the range of 10 % to 20 % depending on laser energy density, layer thickness, and scan strategy. For pressure-containing hollow parts, a wall thickness of at least 1.5 mm to 2.0 mm is typically required to avoid layer-interface leak paths, but published data for this specific configuration is limited and hydrostatic testing under the intended service standard is required.
Documented operational boundaries for PA11-SX 1450 are concentrated in thermal service, chemical contact, and regulatory status. The unfilled grade should not be used as a direct substitute for PA6 or PA66 in continuous operations above 120 °C because the heat deflection temperature at 0.45 MPa is a short-term deflection metric, not a creep-rupture limit. Contact with strong acids, oxidising media, and hot polar solvents produces surface attack or stress cracking; PA11-SX 1450 is intended for hydrocarbon, oil, and moderate aqueous environments. The powder is not classified as a food-contact material. Parts intended for food contact must be assessed under the applicable migration test regime such as EU 10/2011 or FDA 21 CFR 177.1500, and published data for this specific grade under those regulations is limited. Electrical applications using PA11-SX 1450 should account for water absorption and surface finish before specifying insulating properties, because absorbed moisture and residual porosity alter dielectric behaviour.
