What is Silicon Carbide (SiC) Nanopowder/Nanoparticles?

Silicon Carbide (SiC) nanopowder consists of ultra-fine SiC particles known for their exceptional hardness, thermal conductivity, and chemical stability. It is widely used in electronics, coatings, abrasives, and high-performance structural applications.

Chemical Properties and CAS Number

• Chemical Formula: SiC
• CAS Number: 409-21-2
• Appearance: Black or green fine powder
• Density: Approximately 3.21 g/cm³
• Melting Point: ~2,730°C (sublimation point)
• Solubility: Insoluble in water, resistant to acids and alkalis
• Chemical Stability: Highly stable under normal conditions, excellent oxidation and thermal resistance

Applications of Silicon Carbide Nanoparticles

1. Electronics and Semiconductor Industry

Used in power electronics, high-frequency devices, and advanced semiconductor components due to its high electrical conductivity and thermal stability.

2. Coatings and Surface Protection

Applied in wear-resistant coatings, corrosion protection, and high-temperature resistant layers for industrial equipment.

3. Abrasives and Cutting Tools

Utilized in grinding wheels, sandblasting media, and cutting tools for precision machining and surface finishing.

4. High-Temperature Ceramics and Refractories

Employed in kiln furniture, furnace linings, and heat exchangers for extreme temperature resistance.

5. Automotive and Aerospace Applications

Integrated into lightweight composite materials, brake discs, and turbine components to enhance durability and performance.

6. Catalysis and Chemical Processing

Used as a catalyst support in chemical synthesis, fuel processing, and environmental purification.

Pricing of Silicon Carbide Nanopowder

Prices vary based on purity, particle size, synthesis method, and specific industry applications:

• Industrial Grade: Typically ranges from $100 – $500 per kilogram
• High-Purity/Specialized Grade: Prices range from $1,000 – $5,000 per kilogram, used in semiconductors, aerospace, and high-end coatings.

Factors Influencing Silicon Carbide Powder Prices

• Purity level and particle size distribution
• Functionalization and surface modifications
• Processing complexity and synthesis method
• Bulk order volume and market demand

Conclusion

Silicon Carbide (SiC) nanopowder is a highly durable and thermally stable material with applications in electronics, coatings, abrasives, and aerospace industries. Its superior hardness, conductivity, and oxidation resistance make it a key component in high-performance technologies. Pricing depends on purity, particle specifications, and intended use.