Discover high-purity, tightly classified powders tailored for demanding industrial routes including additive manufacturing, MIM, and composite reinforcement.
Modern manufacturing requires powder morphologies engineered for microscopic flowability, minimal interstitial oxygen, and strict particle sphericity.
Global aerospace and automotive sectors have shifted rapidly from traditional flake milling toward inert gas atomization. Achieving ultra-fine particle size distributions (D50 < 15μm) without satellite formation is essential for maintaining uniform thermal kinetics during selective laser melting and sinter densification.
With the mass electrification of powertrains, high-power silicon carbide modules require thermal management fillers exceeding 200 W/m·K. Spherical ultra-fine aluminum powder delivers high packing fractions within silicone or epoxy matrices without escalating paste viscosities beyond automated dispensing limits.
Uncontrolled natural oxidation leads to poor interfacial bonding in composites and process instability. Advanced gas conditioning during atomization and post-process functional coatings allow precise control of oxide layer thickness down to single nanometer scales, ensuring shelf life and safety.
How precision-graded aluminum powder formulations optimize yield, density, and thermal conductivity across specialized engineering industries.
Custom alloy powders like AlSi10Mg with strict spherical morphology ensure smooth recoater blade spreading and low optical reflectivity, lowering porosity to <0.1% in finished aerospace flight hardware.
Bimodal and multimodal spherical distributions (1-10μm and 20-45μm) maximize particle packing volume inside potting compounds, reducing thermal contact resistance in EV battery packs.
Clean matrix powders blended with ceramic reinforcements (SiC, B4C) optimize interface wetting, creating lightweight components with high specific stiffness and low thermal expansion coefficients.
Controlled binder-debinding compatibility and fine spherical sizes allow metal injection molding of intricate near-net-shape components and clean eutectic melting during aluminum radiator brazing.
Integrating Japanese production discipline from Toyo Aluminium K.K. Group with Hunan's raw material infrastructure for traceable, high-volume consistency.
Dedicated vertical nitrogen- and argon-gas atomization lines eliminate cross-contamination between high-purity aluminum (99.99%) and structural alloys like AlSi10Mg and AlSi7Mg, maintaining lot-to-lot repeatability.
Closed-loop ultrasonic classification monitored via real-time laser diffraction allows tight control over D10, D50, and D90 parameters. Powders match exact customer cut-offs with minimal oversized satellites or fines.
Direct upstream connections to primary ingot smelters protect customers from supply volatility. Dual electrical substations and continuous multi-stage classification ensure dependable bulk shipments worldwide.
| Alloy Grade | Standard Particle Cut (μm) | Sphericity Factor | Tap Density (g/cm³) | Apparent Density | Target Industrial Application |
|---|---|---|---|---|---|
| High Purity Al (99.99%) | 1 - 15 / 5 - 25 | ≥ 0.94 | 1.45 - 1.60 | 1.10 - 1.25 | Electronic Pastes, Targets, Optical Coatings |
| AlSi10Mg Spherical | 15 - 53 / 20 - 63 | ≥ 0.92 | 1.50 - 1.68 | 1.25 - 1.38 | Additive Manufacturing (LPBF), Aerospace Prototypes |
| Al-Si Brazing Grade | 20 - 45 / 38 - 75 | ≥ 0.89 | 1.42 - 1.58 | 1.18 - 1.30 | Automotive Heat Exchanger Brazing Pastes |
| Surface Treated Coated | 3 - 30 (Custom Bimodal) | ≥ 0.90 | 1.55 - 1.72 | 1.28 - 1.42 | High-Dispersion Silicone Thermal Fillers, TIMs |
Fine metal powders demand comprehensive dangerous goods management, protective packaging, and international certification.
Full compliance with international transport standards. Uncoated powders ship under UN1396 (Class 4.3 dangerous when wet) and coated grades under UN1309 (Class 4.1 flammable solids), supported by IMO-approved maritime documentation and multimodal clearance.
To prevent moisture pickup and surface degradation during sea transit, powders are sealed inside antistatic aluminum-foil liner bags purged with inert gas, then protected within steel drums with tamper-evident security seals.
Manufacturing runs strictly follow ISO 9001:2015 quality management and ISO 14001:2015 environmental standards. Batch-specific Certificates of Analysis (COA) cover chemical composition via ICP-OES and size distribution via Malvern Mastersizer.
Investing in advanced surface modification, high-entropy alloy atomization, and closed-loop powder recycling for sustainable manufacturing.
Developing multi-component aluminum alloys that incorporate transition metals to increase creep resistance above 300°C, bridging the performance gap with titanium alloys while retaining lightweight advantages.
Applying nanoscale silane and titanate coupling agents directly within fluid bed coating systems. This reduces moisture reactivity and increases particle loading in liquid silicones to over 85% by weight.
Upgrading recycling loops to process clean additive manufacturing overspray and scrap using high-efficiency re-melting and deoxidation, cutting carbon emissions per metric ton by up to 40%.
Detailed answers to common questions regarding customization, safety verification, and logistics for our ultra-fine aluminum powder series.
Yes. We regularly formulate tailored D10, D50, and D90 parameters. For laser powder bed fusion (LPBF), our standard cut is 15-53μm, but we can tighten distributions to 20-45μm or 15-63μm using multi-cyclone classification to match specific recoater mechanisms and layer thickness targets.
Spherical uncoated aluminum powder is engineered for maximum tap density and dry powder flowability in additive manufacturing, press-and-sinter metallurgy, and composites. Coated powder includes a nanoscale organic or inorganic surface treatment that passivates reactivity with moisture, improving shelf stability and dispersion in thermal interface polymers.
Aluminium powder shipments follow stringent dangerous goods protocols. Uncoated grades are classified under UN1396 (Class 4.3), while coated variants follow UN1309 (Class 4.1). Shipments include verified Safety Data Sheets (SDS), packaging performance certifications, and export declaration documentation handled by dangerous-goods certified freight forwarders.
Our facilities operate under ISO 9001:2015 for quality management and ISO 14001:2015 for environmental standards, supported by a Safe Production License. Each export batch includes Certificate of Analysis (COA) documentation detailing ICP-OES purity checks, laser diffraction PSD measurements, and Hall flow rate data.
Hunan Ningxiang JiWeiXin Metal Powder Co., Ltd. (Toyal JWX) was established in 1997 and jointly acquired in December 2009 by Toyo Aluminium K.K. Group and Shanghai Matsuo Co., Ltd. This partnership combines Japanese quality control and atomization discipline with China's raw material infrastructure and supply scale.
We provide evaluation samples from 500g for laboratory characterization up to 50kg pilot-scale lots for printing or sintering trials. Custom alloy trial melts can be produced with full COA documentation and technical support from our metallurgical engineering team.
Select from our certified industrial grades engineered for high thermal performance, structural powder metallurgy, and composite components.
