| HS Code | 572603 |
| Material Type | Polyamide 12 (PA12) |
| Color | White |
| Form | Powder |
| Bulk Density | 0.42 g/cm³ |
| Particle Size D50 | 50 µm |
| Melting Point | 184 °C |
| Tensile Strength | 48 MPa |
| Elongation At Break | 18% |
| Tensile Modulus | 1700 MPa |
| Flexural Modulus | 1500 MPa |
| Charpy Impact Notched | 4.5 kJ/m² |
| Water Absorption | 0.4% |
| Density Sintered Part | 0.94 g/cm³ |
As an accredited Prodways PA12-MF 6150 Powder for Laser Sintering factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Supplied in sealed, moisture-barrier packaging to preserve powder quality, with a standard quantity of 10 kg per box. |
| Container Loading (20′ FCL) | 20′ FCL containing Prodways PA12-MF 6150 Laser Sintering Powder, packed on secured pallets, ready for safe maritime transport. |
| Shipping | Prodways PA12-MF 6150 Powder ships in sealed, moisture-resistant containers to preserve flowability and prevent contamination. It is typically transported via standard ground freight and is not classified as hazardous for shipping in normal quantities. Store in a cool, dry area away from ignition sources, and avoid breathing airborne dust during handling. |
| Storage | Store Prodways PA12-MF 6150 powder in its original, tightly sealed container in a cool, dry, well-ventilated area. Protect from moisture, humidity, direct sunlight, and high temperatures. Keep away from ignition sources and static electricity. Avoid physical damage to packaging. Use dry, clean tools when dispensing. Follow manufacturer’s specified shelf-life guidelines. |
| Shelf Life | Shelf life is approximately 2 years when stored sealed, cool, and dry, maintaining optimal flow and print performance. |
For non-structural cabin interior brackets and cable clips in regional rotorcraft, Prodways PA12-MF 6150 powder is evaluated for build-to-build dimensional repeatability rather than for ultimate tensile strength. The mineral filler fraction—reported in public documentation only through ash content under ISO 3451-1:2019, which for this product class falls between 30 wt% and 50 wt%—increases the elastic modulus relative to unfilled PA12 as observed through a steeper initial slope in ISO 527-2:2012 tensile curves, while the coefficient of thermal expansion is reduced sufficiently to suppress interlayer curling in densely nested builds. Compliance for this application class is typically limited to UL 94 HB, REACH EC 1907/2006, and RoHS 2011/65/EU; the grade is not supplied with 14 CFR 25.853 flammability certification and is therefore excluded from plenums, seat frames, and regulated interior vertical surfaces. First-article batches are built from 70 wt% virgin powder and 30 wt% once-used powder, a blend that restricts tensile-strength loss to 5% relative to all-virgin builds when tested according to ISO 527-2:2012. Build orientation places the Z-axis parallel to the lowest secondary load so that the lower Z-direction tensile elongation of mineral-filled laser sintering does not control failure; test coupons printed vertically and tested under ISO 527-2:2012 may retain 40%–60% of XY ultimate tensile strength depending on laser energy density and powder refresh. Wax-sealed or clear-coated clips are annealed at 80–100 °C for 2 h before structured-light inspection, with an acceptance envelope of ±0.25 mm. Terminal parts include wiring-harness locators, edge-protection clips, and cabin trim alignment brackets, where the maximum continuous service temperature is governed by the ISO 75-2:2013 method A heat deflection temperature of the filled PA12 matrix and not by short-term tensile retention.
Because mineral filler increases the room-temperature modulus and reduces plastic deformation under torque, as measured in ISO 527-2:2012 tensile checks, automotive coolant-bottle prototypes built with Prodways PA12-MF 6150 are processed with a lower allowable peak bed temperature than unfilled PA12 grades. The feedstock ratio at the machine is maintained at 50 wt% virgin powder and 50 wt% once-used powder when dimensional acceptance is ±0.20 mm; for tighter tolerances, 70 wt% virgin powder is used. Chemical exposure compliance is assessed by immersion testing under ISO 175:2010 in a 50/50 vol% ethylene glycol/water mixture at 80 °C for 500 h, with tensile retention measured by ISO 527-2:2012. Brass heat-stake inserts with M4 threads are installed into bosses with a wall-to-insert diameter ratio of 1.1–1.3 using heated tools at 160–180 °C; pull-out resistance is then verified on a universal testing machine at 5 mm/min crosshead speed. The finished coolant-bottle shell is acceptable for underhood packaging studies, fluid-capacity checks, and mounting-bracket trials, but not for pressure cycling certification under OEM-specific procedures because the laser-sintered layer boundaries act as permeation paths and the mineral filler reduces weld-line toughness at the boss interface. Build chamber maintenance follows the producer’s powder-handling instructions; if the bed temperature drifts more than ±2 °C from the target determined by differential scanning calorimetry under ISO 11357-1, edge curl on the bottle flange exceeds 0.30 mm and the part is rejected by the structured-light scanner.
Robotic end-of-arm tooling built from Prodways PA12-MF 6150 is governed by Z-axis elongation at break rather than by tensile strength, because vacuum-gripper fingers and conformal air-channel adapters are often loaded perpendicular to the build layers. Test specimens printed in the Z orientation and conditioned to 23 °C/50% RH before testing to ISO 527-2:2012 generally show a Z elongation-to-break range of 3%–6%, while XY coupons from the same build may reach 10%–15% elongation. This anisotropy is amplified when the feedstock refresh ratio is reduced below 30 wt% virgin powder, because oxidized used powder increases melt viscosity, which is detectable as a drop in melt flow rate below the supplier’s new-powder reference value when tested under ISO 1133-1:2022 at 235 °C with 2.16 kg load. On an air-heated laser sintering machine with a CO₂ laser power of 45 W, layer thickness of 110 µm, and scan speed between 8 and 12 m/s, the energy-density window is maintained at 30–45 mJ/mm². If energy density is below this window, interlayer adhesion falls and the Z-axis elongation drops below 2%; if energy density is above the window, the mineral-filled melt degrades and creates surface porosity that reduces vacuum channel sealing force below −0.5 bar gauge on a Venturi vacuum generator. Robot tooling built from this grade is qualified for vacuum-gripper adapters, bracket arms, and sensor mounts; fastening interfaces follow ISO 9409-1 bolt-hole patterns, and inspection uses a ±0.15 mm dimensional band for the vacuum channel cross-section. The parts are not certified for food-contact or direct chemical transfer because the mineral filler and residual powder sinter skin can act as a contaminant trap.
Thin-wall electronic enclosure covers and connector alignment fixtures built from Prodways PA12-MF 6150 are selected only when the assembly is unpowered or carries SELV-level voltages below 60 V DC. The powder is not inherently flame retardant; compliance for electronics housings is limited to UL 94 HB, RoHS 2011/65/EU, and REACH EC 1907/2006. The mineral filler limits warpage in snap-fit covers printed flat on the bed at 100 µm layer thickness with a 30 wt% recycled powder fraction; snapping features are validated by repeated insertion to 25 cycles without crack initiation under ISO 178:2019 flexural conditions. Finished components remain non-conductive; surface resistance measurements according to IEC 62631-3-2 do not satisfy ESD workstation requirements, so any static-control requirement requires post-coating with a carbon-loaded lacquer or an alternative dust-control strategy. Because RF performance depends on material dielectric properties not specified in the public datasheet, enclosures used near high-frequency circuitry are limited to mechanical prototypes, not final RF housings.
Prodways PA12-MF 6150 is limited in medical-device workflows because a material-specific biological evaluation under ISO 10993-1:2018 is not published. Practical use is therefore confined to short-duration, surface-contact devices such as anatomical planning models, hospital tray locators, and non-sterile surgical guides used outside the sterile field. Production suppliers maintaining ISO 13485:2016 quality systems use 100 wt% virgin powder for these builds to prevent batch cross-contamination; no recycled powder is admitted without formal justification. For anatomical models that enter the operating-room suite but do not contact breached tissue, the part is sealed with a clear, low-VOC acrylic coating and wiped with 70% ethanol or 0.5% chlorhexidine gluconate; autoclaving at 121 °C is not recommended because dimensional movement can exceed the ±0.35 mm surgical guide tolerance and the mineral filler can accelerate surface crazing under saturated steam. Finished products include preoperative skull models, reduction-osteotomy guides for non-sterile rehearsal, and tray indexing blocks. The process exception is any device that contacts mucosal tissue or breached skin for more than 24 h; such applications remain outside the validated data envelope.
Soft-tool shops that replace machined aluminum master patterns with laser-sintered polymer use Prodways PA12-MF 6150 for addition-cure silicone mold masters that require moderate abrasion resistance during pattern extraction. The powder is built at 100 µm layer thickness, annealed at 90–100 °C for 2 h, and then vapor-smoothed or acrylic-sealed to prevent silicone inhibition at the surface. The feedstock is typically 60 wt% virgin and 40 wt% once-used powder, a ratio that retains adequate edge definition on engraved logos and part numbers while keeping consumables cost stable. Compliance remains under REACH EC 1907/2006 and RoHS 2011/65/EU; no food-contact or implantable claim applies. The pattern is coated with a semi-permanent release agent before addition-cure silicone is poured and cured at 40–60 °C for 4–6 h. Dimensional stability is verified with a touch-probe CMM protocol having a measurement uncertainty of ±0.05 mm. Terminal products are short-series polyurethane cast parts, wax-injection molds for investment casting, and plaster casting master positives for ceramic slip-casting molds.
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Prodways PA12-MF 6150 is a mineral-filled polyamide 12 powder formulated for laser sintering on powder bed fusion platforms. The PA12-MF designation identifies a polyamide 12 matrix loaded with a mineral filler phase. Supplier technical literature places the filler loading in the 50 wt% class, which shifts the material response away from ductile polyamide behavior toward high stiffness, reduced moisture uptake, and improved dimensional stability. The powder is intended for technical parts where unfilled PA12 grades exhibit excessive creep, deflection, or humidity-driven tolerance drift. All property statements in this document refer to dry specimens at 23 °C unless a specific conditioning protocol is cited, and the current supplier technical data sheet remains the controlling reference for lot-specific values.
At equivalent wall thickness, PA12-MF 6150 exhibits higher density, higher tensile modulus, and substantially lower elongation at break than unfilled PA12. Unfilled PA12 laser sintering grades typically report tensile modulus near 1,700 MPa and strain at break above 20% under ISO 527-2. The mineral-filled system moves modulus into the 6,000–6,200 MPa region and reduces strain to below 5%. Glass-filled PA12 commonly occupies an intermediate stiffness position near 4,500 MPa, but the high-aspect-ratio glass reinforcement can increase process anisotropy, surface roughness, and tool wear during finishing. The mineral filler in PA12-MF 6150 is not a high-aspect-ratio fiber; therefore the stiffness increase is accompanied by more isotropic shrinkage and improved machinability compared with glass-filled grades. Sintered part density is approximately 1.55 g/cm³ for the mineral-filled product, compared with 0.95–1.0 g/cm³ for unfilled PA12 and around 1.25 g/cm³ for glass-filled PA12.
| Property | Test standard | PA12-MF 6150 class | Unfilled PA12 | Glass-filled PA12 |
|---|---|---|---|---|
| Density | ISO 1183-1 | 1.55 g/cm³ | 0.95 g/cm³ | 1.25 g/cm³ |
| Tensile modulus | ISO 527-2 | 6,150 MPa | 1,700 MPa | 4,500 MPa |
| Strain at break | ISO 527-2 | 3% | 25% | 3.5% |
| Heat deflection temperature, 0.45 MPa | ISO 75-2 | 180 °C | 160 °C | 175 °C |
| Water absorption, 24 h | ISO 62 | 0.5% | 0.8% | 0.7% |
Laser sintering of mineral-filled PA12 requires different thermal management than unfilled powder because mineral filler increases thermal conductivity, reduces polymer melt flow, and lowers the fraction of meltable matrix available for interlayer coalescence. Build chamber temperatures are typically set 10–20 °C below the melting onset of the polyamide matrix. For PA12-based powders, the part bed is held in the 170–180 °C region, while the removal chamber is held near 150–160 °C to limit oxidation and preserve powder reusability. The effective energy density window for PA12-MF 6150 can be narrower than for unfilled PA12. Supplier guidance for comparable mineral-filled grades recommends increasing laser energy density by 5–15% relative to unfilled PA12 to compensate for conductive losses, while avoiding excessive melt depth that degrades fine feature resolution. Typical parameter ranges on CO₂ laser systems with 30–60 W output are 0.10–0.12 mm layer thickness, 0.15–0.30 mm scan spacing, and 8–14 m/s scan speed. The exact parameter set is machine-specific and must be validated for a given build platform. Production-scale equipment trials show that insufficient energy density produces high interlayer porosity and low core density, whereas excessive energy density creates over-sintering in thin walls, loss of sharp edges, and an expanded heat-affected zone in the surrounding powder bed.
The mineral filler also increases melt viscosity during coalescence. When part bed temperature drops by more than ±5 °C relative to the validated setpoint, layer adhesion can degrade rapidly. This imposes stricter thermal uniformity requirements on the build platform, especially for builds with high nesting density or uneven cross-sectional area. Closed-loop control of the powder bed surface temperature, calibrated pyrometry, and build-time monitoring are required for repeatable density in thin-wall sections. Nitrogen inert gas coverage is mandatory during processing; oxygen concentration above 1–2% by volume in the build chamber can cause powder discoloration and oxidative degradation of the polyamide matrix. Part density after sintering is commonly checked by Archimedes immersion according to ISO 3369, with acceptable density typically above 1.52 g/cm³ for mineral-filled PA12.
The principal benefit of PA12-MF 6150 in load-bearing applications is a reduction in time-dependent deformation under sustained stress. In unfilled PA12, absorbed moisture plasticizes the matrix and reduces creep resistance at elevated temperature. In mineral-filled PA12, the rigid filler particles restrict viscoelastic flow and reduce the volume fraction of moisture-absorbing matrix. Equilibrium water uptake after 24 h immersion per ISO 62 is approximately 0.5%, roughly half the value reported for unfilled PA12. Creep resistance is improved, but the grade remains a PA12-based material; continuous service above the glass transition of the amorphous polyamide fraction requires case-specific validation under load and humidity.
The trade-off appears during sintering. High filler loading suppresses polymer coalescence between adjacent powder layers if the bed temperature is too low or if reclaimed powder has accumulated excessive fines. The processing window for PA12-MF 6150 is therefore narrower than for unfilled PA12. Small shifts in part bed temperature or laser energy density can move the sintered microstructure from dense and continuous to porous and brittle. The material is also less tolerant of coarse powder particles because mineral-filled particles with high filler loading can fracture during powder handling and generate fines that reduce flowability. Powder avalanche angle and flow rate tests are used as incoming quality gates when reusing powder. Published data for this specific configuration is limited; process qualification should include a build with full height, high part density, and destructive sectioning to verify core porosity before series production.
Dimensional accuracy after laser sintering of PA12-MF 6150 benefits from reduced volumetric shrinkage compared with unfilled PA12. Build orientation still influences surface roughness and mechanical anisotropy. Down-skin surfaces typically show higher roughness than upskin and side surfaces. When drilling, tapping, or reaming parts made from PA12-MF 6150, carbide tooling and compressed air cooling reduce smear, fiber pullout is absent because the filler is mineral, and edge chipping is lower than in glass-filled PA12. If sealing or coating is required, epoxy and polyurethane adhesion can be limited because mineral filler creates a lower-energy surface; corona or plasma pre-treatment improves wetting and coating bond strength. Dyeing in polyamide acid dyes is possible, but the mineral filler reduces color depth compared with unfilled PA12, so dark hues may require longer dye residence time and higher dye concentration.
Selecting PA12-MF 6150 over unfilled PA12 is technically justified for components that experience compressive preloads, elevated service temperatures below short-term heat deflection limits, and tight tolerance requirements. Application classes include short-run injection mold inserts, thermoforming tools, assembly fixtures, housing covers, and underhood enclosures where creep and thermal expansion control are more critical than snap-fit deflection. The high modulus and reduced moisture uptake support stable part geometry after conditioning, but low elongation at break means that design methods based on plastic yielding are not appropriate. Interference fits, snap arms, and living hinges should be avoided unless the design is modified for low insertion strain and generous corner radii.
The mineral-filled product also differs from unfilled PA12 in its wear and abrasion behavior. The hard filler increases resistance to surface indentation and abrasive wear, but the low matrix ductility makes sharp-particle erosion or high-impact contact more likely to cause surface microcracking. For parts that require sliding contact, hard anodized aluminum or steel counter surfaces are preferred. If post-build machining is required, the mineral filler produces fine, compact chips and generally better dimensional control than glass-filled PA12. Published data for specific application case studies is limited; qualification should include functional testing at maximum service temperature and load rather than relying solely on dry coupon values. Each build chamber geometry requires a parameter iteration because heat distribution depends on part nesting density, build height, and the presence of large solid sections.
Handling of PA12-MF 6150 follows powder hygiene practices common to PA12 laser sintering. Sieving at 150 µm mesh after each build removes oversize aggregates and partially sintered particles. A 125 µm screen may be required for 100 µm layer thicknesses to maintain a controlled particle size distribution. The mineral filler raises bulk density, so powder feeders and overflow bins may require recalibration compared with unfilled PA12. New powder refresh ratio is typically set at 30–50% virgin material, but the ratio depends on part packing density, build time, and the extent of oxidative aging. Low-shear tumble blending for 5–10 min is preferred over high-shear mixing, which can fracture mineral particles or create additional fines. Fines accumulation affects flowability; operators monitor avalanche angle or Hall flow rate as a quality gate when reusing powder. Storage in sealed containers at 20–25 °C and 40–60% relative humidity limits moisture uptake. Pre-drying at 80 °C for 8–12 h in a dry-air oven is necessary if moisture content exceeds 0.3 wt% by Karl Fischer titration.
The refresh ratio describes the mass fraction of new powder blended into reclaimed powder. Unfilled PA12 can often tolerate high recycle content, sometimes above 70%, while retaining mechanical properties if sieving and storage conditions are controlled. For PA12-MF 6150, the mineral filler introduces additional degradation mechanisms. Polymer matrix oxidation at polymer-filler interfaces, liberation of filler particles at particle surfaces, and accumulation of low-molecular-weight polyamide can reduce melt flow, coalescence, and interlayer strength. Because the material is already low in elongation, embrittlement from oxidative aging is detected earlier as reduced impact strength than as a change in tensile modulus. Supplier guidance for mineral-filled PA12 systems therefore commonly recommends lower reclaimed powder fractions than unfilled PA12, often in the 30–50% virgin refresh range. The exact ratio should be established by monitoring melt flow rate under ISO 1133-1:2022, powder color difference, and part density after scheduled builds. Batch-to-batch variation in filler particle size distribution can also shift the refresh limit; a narrower filler size distribution generally preserves flow and coalescence at higher recycle content.
Regulatory documentation for PA12-MF 6150 should be requested from the supplier for the current production lot. The material is a polyamide 12 compound with mineral filler, and compliance may include REACH registration for substances in the powder and RoHS Directive 2011/65/EU for heavy metal restrictions. ISO 9001:2015 process control in powder manufacturing supports lot traceability. The powder is not inherently biocompatible or food-contact compliant; applications requiring USP Class VI, ISO 10993-5, or EU 10/2011 migration testing require grade-specific certification. Waste powder and unsintered fines should be managed according to local polymer waste regulations. Incineration or approved recycling streams are preferred over waterway disposal because mineral-filled PA12 particles are not biodegradable.
