| HS Code | 976157 |
| Density | 1.07 g/cm³ |
| Tensile Strength | 76 MPa |
| Tensile Modulus | 8.6 GPa |
| Elongation At Break | 2.5% |
| Flexural Strength | 113 MPa |
| Flexural Modulus | 9.0 GPa |
| Notched Izod Impact | 50 J/m |
| Heat Deflection Temperature 0 45 Mpa | 177 °C |
| Heat Deflection Temperature 1 82 Mpa | 146 °C |
| Melting Temperature | 181 °C |
| Glass Transition Temperature | 50 °C |
As an accredited ALM PA 602-CF Nylon 12, 23% Carbon Fiber Filled factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Packaged as a 10 kg sealed moisture-proof bag inside a cardboard box with desiccant for dry storage. |
| Container Loading (20′ FCL) | 20′ FCL: ALM PA 602-CF Nylon 12 (23% carbon fiber) in sealed bags on pallets, optimized for weight and volume. |
| Shipping | Ship as a dry, sealed moisture-barrier container to prevent hygroscopic nylon from absorbing ambient humidity. Use sturdy cartons with crush protection. Not classified as dangerous goods, but avoid exposure to extreme heat or moisture during transit. Include desiccant if long storage or non-sealed packaging is required. |
| Storage | Store ALM PA 602-CF in a cool, dry area in its original, tightly sealed container. Protect from moisture, direct sunlight, and heat sources, as nylon absorbs humidity. Keep away from flames and ignition sources. Avoid dust accumulation; use appropriate respiratory protection when handling. Follow manufacturer’s shelf-life guidance. |
| Shelf Life | Shelf life is typically 12 months when stored in a sealed, dry container away from moisture and sunlight. |
In aircraft cabin recirculation ducting and secondary structural bracketry, ALM PA 602-CF powder is processed in polymer laser sintering systems using CO₂ laser sources at 10.6 µm wavelength and 0.10–0.12 mm layer heights, with the part bed temperature held within ±2.5°C of the melting onset adjusted for 23 wt% carbon fiber fill. Powder charging for airworthiness-critical parts uses a downstream blend of 70:30 virgin-to-reclaimed by weight, and powder lots with Karl Fischer moisture above 0.1% are pre-dried at 80°C for 8 hours before the build; the carbon fiber fraction itself is fixed at 23 wt% by the powder producer and is not altered by downstream processors. Compliance for ducting and secondary structure is assessed under 14 CFR 25.853(a) vertical burn, with mechanical allowables generated from ASTM D638-14 Type IV specimens and ASTM D790-17 flexural bars, and with smoke density and toxic gas release assessed according to ABD0031 or the applicable airframer specification when required. The production process comprises sequential powder recoating, laser scanning with energy compensated for fiber-phase endotherm, slow cool-down below 60°C before depowdering, glass bead blasting with 0.15 mm media, and coordinate measuring machine verification of mounting-hole positions. Production-scale equipment behaviour shows that thin-shell duct walls below 1.8 mm can undergo thermal curl during the sinter zone unless ribbing or support anchors are added; batch-to-batch variation in reclaimed powder requires melt flow rate checks and sieve analysis through a 75 µm screen before blending. The finished terminal components are cabin recirculation duct sections, cable troughs, air outlet louvres, avionics bracket assemblies, and interior equipment mounting bosses.
The 60:40 virgin-to-reclaimed powder blend by weight is used for underhood components that must survive thermal cycling from -40°C to 125°C under ISO 16750-4. Exceeding 40% reclaimed content in the powder blend shifts the particle size distribution through fines migration and reduces the effective fiber aspect ratio, producing a commonly observed 5–15% loss in z-orientation tensile strength after three reclamation cycles as determined by ASTM D638-14; since the carbon fiber fraction remains fixed at 23 wt% of the base compound, the processor controls only the virgin-to-reclaimed blend ratio. Production-scale polymer laser sintering cells with 50 W CO₂ lasers require a 1.5–2.0°C upward correction in part bed temperature and a 10–15% increase in laser energy density when reclaimed powder exceeds 30%; without this correction, partial fusion at the layer interface produces weak z-axis bonding and elevated breakage during depowdering. Melt flow rate of blended lots is qualified under ISO 1133-1:2022 at 235°C with a 2.16 kg load, and powder moisture is kept below 0.1% by Karl Fischer titration before charging. The downstream production process includes the SLS build at 0.12 mm layer height, forced-air cooling below 60°C before depowdering, bead blasting with 0.15 mm glass media, and post-sinter annealing at 130°C for 2 hours in a circulating oven for dimensional stabilisation. Compliance for underhood plastic components is documented under RoHS 2015/863, REACH SVHC verification, UL 94 HB thickness-specific flame class, and thermal ageing protocols derived from ISO 16750-5. End-use part families produced under this regime include air cleaner outlet ducts, wire retention brackets, sensor mounts, coolant reservoir neck adapters, and battery enclosure mounting blocks produced in batches of 50–2,000 units.
For lightweight unmanned aerial vehicle airframe subassemblies, powder bed fusion of ALM PA 602-CF at a 0.10 mm layer thickness consolidates multiple machined aluminium components into a single printed part, eliminating adhesive bond lines at the root of motor arm extensions and reducing assembly tolerance stack in production-grade airframe sections. For fatigue-critical parts, the virgin-to-reclaimed powder blend is maintained at 85:15 by weight; batch-to-batch variation in the reclaimed fraction is controlled by sieving through a 75 µm screen and tumble mixing for 20 minutes before charging the feed hoppers. Because the material contains 23 wt% carbon fiber, the powder exhibits higher effective thermal conductivity than unfilled Nylon 12, requiring a reduced preheat temperature differential between feed and build zones during recoating. Downstream production on polymer laser sintering systems typically uses a 0.08–0.10 mm layer, a build chamber temperature held within 165–169°C depending on machine calibration, and laser power settings compensated for the endothermic behaviour of the fiber phase. After powder removal, parts are media blasted with 0.125 mm spherical glass, inspected by structured-light scanning for wall thickness uniformity, and where specified subjected to MIL-STD-810G vibration exposure on production acceptance lots. Industry compliance for the end-use components follows ASTM F3290-20a for small unmanned aircraft system design verification, with material tensile and flexural data generated under ASTM D638-14 and ASTM D790-17. Terminal airframe components produced from this workflow include motor arm extensions, folding propeller brackets, sensor gimbal cages, landing gear yokes, and avionics tray isolators.
ALM PA 602-CF is processed into manufacturing aids using a 50:50 virgin-to-reclaimed powder blend by weight where dimensional drift beyond ±0.4% is not tolerated over a 500-part fixture service life. The 23 wt% carbon fiber addition limits warpage during the sinter and cool-down phases, which allows the production of long, thin vacuum channels and locating features without full-area support structures. Downstream production employs laser sintering machines with heated build chambers, a layer height of 0.12 mm for throughput or 0.10 mm for feature resolution, and computer-controlled powder dosing; the reclaimed fraction is conditioned at 80°C for 4 hours when ambient humidity exceeds 60% RH before being mixed with virgin powder. After depowdering, tooling components are glass bead blasted, chased for tapped-hole accuracy, and fitted with steel helicoil inserts where repeated screw tightening is specified. The principal compliance references for industrial manufacturing aids are ISO 9001 process control, ISO/ASTM 52900 terminology and part classification, and the European Machinery Directive 2006/42/EC as applicable to equipment integration; specific material testing uses ASTM D638-14 for tensile properties and ASTM D648-18 for heat deflection temperature at 0.455 MPa and 1.82 MPa. The resulting manufacturing aids comprise robotic end-of-arm gripper fingers, conformal vacuum pickers, drill guides, CMM nesting fixtures, sensor alignment brackets, and welding cell shim packs.
In orthotic and prosthetic component manufacturing, definitive structural sockets and interface frames are laser sintered from ALM PA 602-CF using a 100% virgin powder charge when skin-contact durability and dimensional reproducibility across repeated body-weight loading cycles are specified, while a 70:30 virgin-to-reclaimed blend by weight is confined to non-load-bearing trial devices and shape-check prototypes. The material arrives as a 23 wt% carbon fiber filled Nylon 12 powder; no downstream solvent or melt compounding is used to alter the fiber loading, but the powder is subjected to 80°C drying for 6–8 hours before processing in cells with humidity logs exceeding 55% RH. Downstream production includes powder bed fusion at 0.10 mm layer height, cool-down under nitrogen or dry air to minimise oxidative yellowing of the exposed polymer surfaces, depowdering with soft bristle brushes and vacuum extraction, glass bead finishing, and sealing of the porous surface with a medical-grade polyurethane or epoxy topcoat where microbial ingress must be reduced. Compliance for CE-marked or FDA-listed devices is governed by ISO 10993-5 for in vitro cytotoxicity and ISO 10993-10 for skin sensitisation, while manufacturing quality systems follow ISO 13485:2016 and 21 CFR Part 820; the additive manufacturing process itself is validated under ISO/ASTM 52911-1. Finished devices produced in this category include transfemoral and transtibial prototype sockets, orthotic AFO shell segments, prosthetic knee chassis covers, and custom helmet liner carriers.
Thermal ageing resistance of ALM PA 602-CF in cleanroom robotic end-effector carriers becomes geometry-dependent once wall sections drop below 2.0 mm, because the 23 wt% carbon fiber reinforcement increases thermal conductivity but also creates anisotropic heat distribution during laser sintering and subsequent annealing. These components are produced at a 65:35 virgin-to-reclaimed powder blend by weight, with the reclaimed fraction dried at 80°C for 4 hours and sieved through a 75 µm screen before blending; this blend ratio is selected to balance carbon fiber attrition against the part-cost requirements of high-mix semiconductor tooling. Downstream production uses powder bed fusion at 0.10–0.12 mm layer thickness, a part bed temperature adjusted in ±2°C steps to avoid partial fusion at the layer interface, and a layer-to-layer scan rotation to reduce in-plane warpage. After sintering, parts are allowed to cool below 50°C in the cake before depowdering, then ultrasonically cleaned in 70% isopropanol/30% deionised water to remove surface-bound fines prior to cleanroom assembly. The presence of 23 wt% carbon fiber does not by itself guarantee static-dissipative surface resistivity; each end-effector batch is tested under ASTM D257 at 12% RH and 23°C, and published data for this specific semiconductor contact configuration is limited. Compliance documentation follows SEMI S2-0718 for equipment integration safety, ISO 14644-1 Class 6 for particulate acceptance, and RoHS 2015/863 for restricted substances. End-use cleanroom components produced from this process include robotic arm end-effector bodies, wafer cassette side rails for non-product-contact use, alignment frames, sensor mount plates, and ionizer bracket housings.
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ALM PA 602-CF Nylon 12, 23% carbon fiber filled, is a selective laser sintering powder feedstock composed of semi-crystalline polyamide 12 compounded with milled carbon fiber. The fiber fraction is not a surface coating; it is incorporated into the polymer melt before cryogenic milling, which influences melt viscosity, recoating behavior, and sintered part surface finish. The powder is intended for carbon-fiber-capable powder bed fusion platforms equipped with abrasion-resistant recoater blades, conductive-particulate-compatible powder handling, and filtration rated for fine carbon dust. Datasheet mechanical values are generated on laser-sintered specimens according to ASTM D638 for tensile behavior, ASTM D790 for flexural behavior, ASTM D648 for heat deflection temperature, and ASTM D792 for density. The fiber addition shifts the matrix from ductile yielding to stiff, low-elongation response, and the resulting anisotropy must be treated as a design input rather than a datasheet footnote.
Thermal analysis of carbon-filled PA12 shows that the fiber acts as a nucleating agent in the semi-crystalline matrix, sharpening the crystallization exotherm and narrowing the operating window between melt onset and crystallization onset. On a differential scanning calorimetry trace at 10°C/min, the PA12 melting endotherm remains near 178–186°C, while the crystallization exotherm can shift by 2–5°C relative to unfilled PA12. This nucleation effect reduces the allowable powder bed temperature range. Production machines often maintain feed and bed temperatures within ±5°C of the optimized set point to avoid curl, platelet formation, or interlayer porosity. The processing window is therefore a critical control zone: small thermal deviations can produce visible part failure in thick, flat, or unsupported sections.
Rheological data for carbon-filled PA12 indicates a shear-thinning melt with higher zero-shear viscosity and higher storage modulus than unfilled PA12. Faster particle coalescence is therefore required during laser scanning, and energy density is typically adjusted by reducing scan spacing or increasing laser power. On common 50–70 W CO₂ laser SLS platforms, energy densities in the 25–35 J/mm³ range are often used for carbon-filled PA12 development, but exact values are machine-specific and must be developed on the target platform. Excessive energy density causes oxidative degradation, visible as brown discoloration and loss of tensile strength; insufficient energy density leaves void networks at layer interfaces and lowers Z-direction structural capacity. Oxygen content should be maintained below 1.0% during processing to limit chain scission and part color variability.
Table 1 provides supplier-reported representative ranges for laser-sintered ALM PA 602-CF. These values are orientation-dependent and should not be used as isotropic design allowables.
| Property | Test method | Reported range |
|---|---|---|
| Tensile strength, XY orientation | ASTM D638 | 54–66 MPa |
| Tensile modulus, XY orientation | ASTM D638 | 5.5–7.0 GPa |
| Elongation at break, XY orientation | ASTM D638 | 2.0–3.5% |
| Flexural modulus | ASTM D790 | 5.0–6.5 GPa |
| Heat deflection temperature at 1.82 MPa | ASTM D648 | 145–165°C |
| Density | ASTM D792 | 1.03–1.10 g/cm³ |
Z-orientation tensile strength can be 20–40% lower than XY values, and notched Izod impact may fall below 60 J/m depending on fiber dispersion, build orientation, and recycled powder content. Published data for this specific configuration is limited for creep and fatigue. Designers should generate application-specific data when sustained loads exceed 50% of the reported tensile strength.
Unfilled PA12 for powder bed fusion generally exhibits tensile elongation at break of 20–30% and a tensile modulus near 1.5–1.8 GPa. At 23% carbon fiber loading, ALM PA 602-CF reduces elongation at break to approximately 2.0–3.5% in the XY orientation, while tensile modulus rises to 5.5–7.0 GPa. The increase in stiffness is accompanied by a brittle-like failure mechanism in which cracks propagate through the matrix and along fiber-matrix interfaces rather than through large-scale yielding. Heat deflection temperature under 1.82 MPa load is reported in the 145–165°C range, above the 85–100°C typical of unfilled PA12. However, the material is not a direct substitute for unfilled PA12 in snap-fit or living hinge geometries where plastic strain exceeds 5%. The carbon-filled grade should be treated as an orthotropic composite, not an isotropic polymer.
Compared with short-glass-filled PA12 powders, ALM PA 602-CF has lower density because carbon fiber has a density near 1.75–1.85 g/cm³, while E-glass fiber is near 2.54–2.60 g/cm³. The density difference translates into mass reduction of approximately 15–20% against typical 30% glass-filled PA12 grades, which occupy the 1.25–1.35 g/cm³ range. Surface resistivity may also shift from the 10¹²–10¹⁴ Ω/sq range for unfilled PA12 to 10⁴–10⁹ Ω/sq depending on fiber length, orientation, and surface finish. This may provide static dissipation, but the material should not be assumed to provide reliable ground-plane conductivity unless surface resistivity is explicitly measured and controlled.
Carbon fiber filled PA12 powders develop electrostatic charge more readily than unfilled PA12 during pouring, sieving, and vacuum transfer. Humidity control below 35% RH and grounded handling equipment reduce powder clumping and improve recoating consistency. Moisture uptake above 0.1 wt% can produce surface porosity in thick sections; pre-drying at 80°C for 4–6 h is used when powder has been stored in ambient conditions above 60% RH. Batch-to-batch variance is monitored through melt flow rate testing according to ISO 1133-1, bulk density measurement, and sieve analysis. Fiber agglomerates above 150 µm can create recoater streaks and localized porosity; sieving through a 150 µm mesh is a production control step. When the recycled fraction exceeds 70%, Z-direction tensile strength and notched Izod impact show greater scatter, and the powder is typically segregated for non-critical prototype work or sacrificial build supports.
Unfused powder can be blended with virgin feedstock, but mechanical properties decline when the recycled fraction exceeds 50% unless process conditions are adjusted. Observed shifts under high-reuse conditions include a 5–15% reduction in tensile strength and a measurable increase in surface roughness. These values are machine-dependent and should be established on the target platform. Published data for this specific configuration is limited for highly loaded recycled blends.
Design rules for ALM PA 602-CF differ from those for unfilled PA12. Minimum wall thickness can be 1.0 mm, but load-bearing areas should be increased to 2.0 mm because the low elongation at break reduces damage tolerance. Unsupported overhangs are more prone to curl due to lower ductility. Clearance for mating parts should be increased by 0.15–0.25 mm per side to account for surface roughness and exposed fiber ends. Threads may require post-machined inserts or tapped holes with larger pilot diameters because the material can chip at thread roots. Dyeing is possible but the carbon-filled surface retains a dark grey-to-black appearance; lighter colors require painting or sealing. Abrasive blasting with glass bead at pressures below 4 bar removes surface powder and reduces roughness, but excessive blasting can erode resin-rich surfaces and expose fiber ends.
Robotic end-of-arm tooling, drone motor mounts, gimbal brackets, and low-volume automotive under-hood brackets are application zones where ALM PA 602-CF is specified because its density of 1.03–1.10 g/cm³ is lower than glass-filled PA12. The mass reduction of 15–20% reduces inertial loads during high-speed positioning and lowers vibration input to sensitive components. Under-hood ducting and brackets benefit from the heat deflection temperature of 145–165°C at 1.82 MPa, but continuous service temperature should remain below 130°C to avoid oxidative aging of the PA12 matrix. Flammability classification under UL 94 for unfilled PA12 is typically HB; carbon fiber filling without flame-retardant additives does not change the material to V-0. Components exposed to continuous vibration should be evaluated with coupon-level fatigue testing according to ASTM D7791, because the fiber-matrix interface creates crack initiation sites not present in unfilled PA12.
ALM PA 602-CF is not inherently electrically conductive in the range required for reliable electrostatic discharge protection unless surface resistivity is explicitly measured. The carbon fiber loading is below the percolation threshold used in conductive compounds. Chemical resistance follows the PA12 matrix in many automotive fluids, but strong acids, phenols, and methanol-containing fuels can attack the polymer or induce environmental stress cracking. Outdoor exposure without coating leads to surface oxidation and fiber bloom; accelerated weathering to ASTM G154 should be performed before exterior deployment. Machining and abrasive blasting generate carbon-filled dust that must be captured by a system rated for combustible particulate. Direct food contact requires assessment under FDA 21 CFR 177.1500 or equivalent regional regulations, with migration testing completed on the final part assembly.
Low-volume aerospace interior brackets, wind-tunnel aerodynamic models, and mass-customized industrial fixtures represent additional production environments where ALM PA 602-CF is selected for dimensional stability and lower mass relative to glass-filled alternatives. In these applications, part acceptance is generally based on witness bars built in the same chamber and dimensional inspection to ISO 2768-1 class m after post-processing. Because the material shrinks anisotropically during cooling, production build files often include X and Y scaling factors of 0.3–0.7% and Z compensation determined by build height. Published fatigue data for this specific carbon-filled PA12 configuration is limited; rotating or vibratory load applications should be validated with ASTM D7791 fatigue coupons before serial deployment.
