What is Tungsten (W) Nanopowder/Nanoparticles?
Tungsten (W) nanopowder consists of ultra-fine tungsten particles known for their exceptional mechanical strength, high melting point, and excellent thermal and electrical conductivity. It is widely used in electronics, coatings, 3D printing, and aerospace applications due to its superior durability and heat resistance.
Chemical Properties and CAS Number
- Chemical Formula: W
- CAS Number: 7440-33-7
- Appearance: Gray or black fine powder
- Density: Approximately 19.3 g/cm³
- Melting Point: ~3,422°C
- Solubility: Insoluble in water, reactive with strong acids
- Chemical Stability: High oxidation resistance, excellent wear resistance
Applications of Tungsten Nanoparticles
1. Electronics and Semiconductor Industry
Used in high-performance electrical contacts, conductive coatings, and microelectronics for improved efficiency.
2. Aerospace and Defense Applications
Applied in rocket nozzles, aircraft components, and missile guidance systems due to its extreme heat resistance.
3. Coatings and Surface Protection
Utilized in wear-resistant coatings, anti-corrosion coatings, and thermal barrier materials for industrial machinery.
4. 3D Printing and Additive Manufacturing
Employed in advanced 3D printing technologies for producing high-density and durable components.
5. Energy Storage and Battery Technology
Used in lithium-ion batteries, fuel cells, and supercapacitors to enhance electrochemical stability and conductivity.
6. Catalysis and Chemical Processing
Applied as a catalyst in industrial chemical reactions, including hydrogenation and petroleum refining.
Pricing of Tungsten Nanopowder
Prices vary based on purity, particle size, synthesis method, and industry-specific applications:
- Industrial Grade: Typically ranges from $200 – $1,200 per kilogram
- High-Purity/Specialized Grade: Prices range from $2,500 – $8,000 per kilogram, used in aerospace, electronics, and advanced coatings.
Factors Influencing Tungsten Powder Prices
- Purity level and particle size distribution
- Functionalization and surface modifications
- Processing complexity and synthesis method
- Bulk order volume and market demand
Conclusion
Tungsten (W) nanopowder is a high-performance material with applications in electronics, aerospace, coatings, and catalysis. Its superior mechanical strength, heat resistance, and conductivity make it essential for next-generation industrial and scientific applications. Pricing depends on purity, particle specifications, and intended use.
