Explore our premium factory portfolio including high-purity barium compounds, synthetic specialized elastomer modifiers, ultra-pure industrial gases, and performance chemical reagents for global distribution.
A rigorous metallurgical overview of atomization synthesis, microstructural phase control, and active surface passivation for global industrial end-users.
Utilizing closed-loop ultra-pure Argon or Nitrogen supersonic de Laval gas nozzles at melting temperatures over 850°C. Delivers perfectly spherical morphology, extreme circularity (>0.94), high tap density, and minimal surface satellite particles. Essential for Additive Manufacturing (SLM/EBM) and precision thermal conductive applications.
Engineered using continuous compressed air injection with precise oxygen-ratio doping. Yields nodular, irregular, or tear-drop particle shapes with optimized specific surface area (BET). Ideal for pyrotechnic oxidation rates, refractory exothermic reactions, thermite metallurgy, and chemical deoxidizing reagents where ignition kinematics are critical.
Every atomized granule features a controlled, cohesive amorphous alumina (Al2O3) passivation skin precisely engineered between 2.5 nm to 5.0 nm. This preserves high active metallic aluminum content (≥99.2% in refined grades) while ensuring safe long-term handling, moisture barrier durability, and low degassing volatility.
| Grade Classification | Mean D50 Range | Morphology | Active Al Content | Tap Density (g/cm³) | Target Industrial Application |
|---|---|---|---|---|---|
| YANXA-Al-AM1553 | 15 – 53 μm | Spherical | ≥ 99.70% | 1.45 – 1.62 | LPBF / SLM 3D Printing, Aerospace Structural Alloys |
| YANXA-Al-PV0515 | 3 – 8 μm | Ultra-Fine Spherical | ≥ 99.50% | 1.30 – 1.45 | Solar Photovoltaic Back-Surface Contact (BSF) Paste |
| YANXA-Al-EN2580 | 25 – 75 μm | Spheroidal | ≥ 99.20% | 1.35 – 1.50 | Energetic Materials, Solid Rocket Propellants, Thermite |
| YANXA-Al-RF100 | 45 – 150 μm | Nodular / Irregular | ≥ 98.80% | 1.05 – 1.25 | Refractory Brick Additives, Steel Ladle Deoxidizers |
| YANXA-Al-CH200 | 75 – 250 μm | Granular | ≥ 98.50% | 0.95 – 1.15 | Alkyl Aluminum Synthesis, Chemical Reducing Agents |
Understanding regional industrial specialization and technical tailoring for modern chemical, metallurgical, and electronics manufacturing ecosystems.
East Asia & Europe: Ultra-fine spherical powders (3–8 μm) formulated into aluminum conductor pastes for silicon wafer screen printing. Sintered during high-temperature baking to form a low-resistance ohmic p+ contact layer that maximizes solar cell photoelectric efficiency.
North America & Germany: AlSi10Mg, Scalmalloy, and pure aluminum gas-atomized powders tailored for aerospace heat exchangers, lightweight brackets, and EV battery housings. Features zero hollow sphere porosity and high laser absorptivity.
South America & Australia: High-energy blast formulations, commercial ANFO sensitizers, and rock quarrying explosives. Highly controlled specific surface areas (SSA) allow engineers to calibrate detonation velocity and shock wave energy release.
Middle East & India: Anti-oxidation additives for carbon-containing refractory bricks (MgO-C, Al2O3-C) in basic oxygen furnaces. Reacts at elevated temperatures with carbon and nitrogen to form ceramic reinforcing whiskers (Al4C3, AlN).
Transparent cost modeling based on the Shanghai Futures Exchange (SHFE) / London Metal Exchange (LME) aluminum ingot index plus precise atomization processing premiums.
Pricing correlates directly with 99.7% A00 electrolytic aluminum ingot baseline benchmarks. Large volume contracts (FCL ≥20 MT) benefit from formulaic indexing against monthly average settlement quotes, mitigating spot volatility.
Inert Argon gas atomization carries higher energy, gas consumption, and classification fees than air-blown processes. Narrow cut PSD fractions (e.g., 20–45 μm) require high-precision cyclonic and ultrasonic air classification, yielding standard pricing premiums.
Aluminum powder is designated UN 1396 (Class 4.3 Water-reactive) or UN 1309 (Class 4.1 Flammable solid). Pricing includes specialized UN-certified steel drums (20kg/50kg/100kg) with internal hermetic poly bags, desiccants, and inert nitrogen purging.
| Product Category | Typical Volume Tier | Incoterms | Packaging Mode | Lead Time (Ex-Factory) |
|---|---|---|---|---|
| Spherical Gas Atomized (Fine PSD) | 1 MT – 5 MT (LCL) | FOB Qingdao / Shanghai | 20 kg Nitrogen-Purged Steel Pails | 10 – 14 Business Days |
| Standard Additive & Pyrotechnic | Full Container Load (18–20 MT) | CIF Major Worldwide Ports | 50 kg Steel Drums on Heat-Treated Pallets | 14 – 21 Business Days |
| Industrial Nodular / Granular | Bulk Commercial (≥ 40 MT) | CIF / CFR / DDP Destination | 1000 kg UN-Certified Big Bags (Anti-Static) | 20 – 25 Business Days |
How YANXA integrates automated processing, localized upstream smelting proximity, and comprehensive test documentation to safeguard material consistency.
Direct pipeline partnership with Tier-1 primary smelting refineries ensures low silicon, iron, and trace element contamination (Fe ≤ 0.08%, Si ≤ 0.05%). Continuous batch feed keeps output free of tramp elements that degrade powder performance.
Each production lot undergoes multi-point validation: Malvern Mastersizer 3000 laser diffraction for PSD (D10, D50, D90), Hall Flowmeter testing for flowability, gas pycnometry for skeletal density, and acid dissolution gasometric analysis for active aluminum.
With an annual capacity exceeding 25,000 metric tons and extensive buffer inventories of standard mesh sizes, production lines flexibly scale between mass bulk deliveries and custom client-specified alloy or grain formulations.
Advancing metal atomization frontiers to meet the stringent demands of green energy, quantum electronics, and next-generation lightweight components.
Developing radio-frequency (RF) plasma spheroidization to synthesize sub-micron and nanoscale aluminum powders with spherical sphericity (>0.98), optimized for high-density microelectronic interconnects.
Formulating multi-element atomized spherical blends (Al-Mg-Sc-Zr) providing tensile strengths exceeding 550 MPa in 3D-printed lightweight structural components for hypersonic and EV applications.
Progressing toward green hydrogen burners and zero-emission closed-circuit gas recapture loops, decreasing the embedded carbon footprint per ton of industrial atomized aluminum powder by 40%.
Pioneering atomic layer deposition (ALD) and silane nanocoatings directly onto atomized powders to improve moisture resistance by 300% without sacrificing combustion kinetics or electrical conductivity.
Complete compliance frameworks safeguarding dangerous cargo logistics across all destination jurisdictions.
Registered and compliant under EU REACH, UK REACH, US TSCA, Korea K-REACH, and China IECSC. Full safety dossiers and chemical safety assessments provide unhindered custom clearance without regulatory hold-ups.
Full Dangerous Goods (DG) documentation issued per shipment: dangerous cargo declarations, multi-modal transport certifications, certified packing inspection sheets, and GHS-compliant 16-section Safety Data Sheets (SDS) in multilingual formats.
Direct access to our metallurgical engineers for slurry rheology tuning, combustion velocity calibration, dry mixing compatibility, and safe plant-floor pneumatic transfer guidance.
In-depth technical and commercial answers addressing common engineering queries for wholesale buyers.
Gas atomization relies on high-velocity inert gases (Argon or Nitrogen) within a closed oxygen-free chamber, yielding high-sphericity particles (>90% circularity), dense tap volumes (1.4–1.6 g/cm³), minimal surface oxidation, and low satellite bonding. Air atomization uses filtered compressed air, which induces surface friction and surface oxidation during micro-solidification, creating irregular, nodular, or tear-drop shapes. Spherical gas-atomized powders excel in additive manufacturing, thermal spray coatings, and photovoltaic pastes, while air-atomized powders provide higher surface reaction kinetics in energetics, thermite, and chemical catalysis.
Active metallic aluminum content is determined via reaction acidimetry gas displacement testing (ASTM E34 or ISO equivalent). An accurately weighed powder sample is digested in standardized hydrochloric or sodium hydroxide acid under closed thermodynamic measurement conditions. The volume of displaced hydrogen gas (2Al + 6HCl → 2AlCl3 + 3H2↑) is collected, temperature-and-pressure corrected, and calculated against theoretical purity. Standard atomized grades achieve ≥98.5% active Al, while high-purity specialized grades routinely exceed 99.7% active Al.
Yes. Utilizing dual-stage multi-cyclone classifiers, high-efficiency aerodynamic classifiers, and precision ultrasonic sieving systems, we produce custom cuts according to specific D10, D50, and D90 parameters. Whether your application requires ultra-narrow cuts such as 15–45 μm, 20–63 μm, or broad commercial fractions from 45 μm to 250 μm (60 to 325 mesh), our classification lines ensure tight standard deviation curves without fine tail dust.
For standard catalogue grades, our commercial minimum order quantity starts at 500 kg to 1 MT. For custom alloy syntheses (e.g., Al-Mg, Al-Si, Al-Zn) or specialized narrow PSD cuts, the MOQ is typically 3 MT. Representative evaluation samples (100g to 2kg) complete with a lot Certificate of Analysis (COA) are readily provided for qualified industrial and research buyers, compliant with international dangerous goods courier regulations.
Connect with our technical materials team to request our complete product catalog, customized particle distribution analyses, or current wholesale price quotes for full container loads.
Review our companion line of flake powders, custom alloy compositions, functional liquid polymers, and specialized inorganic nitrate compounds.
