What is Silicon Carbide (SiC) Micron Powder?

Silicon Carbide (SiC) micron powder is a finely ground abrasive material composed of silicon and carbon. Known for exceptional hardness, thermal conductivity, chemical stability, and resistance to abrasion and corrosion, SiC micron powder is extensively used in various industrial and technological applications.

Chemical Properties and CAS Number

• Chemical Formula: SiC
• CAS Number: 409-21-2
• Appearance: Gray-black crystalline powder
• Melting Point: Approximately 2730°C
• Hardness: 9.2 Mohs scale, making it extremely hard
• Thermal Conductivity: Very high (approximately 120-270 W/m·K)
• Chemical Stability: High resistance to acids, alkalis, and oxidation

Applications of Silicon Carbide Micron Powder

1. Abrasives and Polishing

Widely used in grinding wheels, sandpaper, polishing media, and abrasive compounds due to its extreme hardness and abrasive properties.

2. Ceramics and Refractory Materials

Employed in kiln furniture, crucibles, furnace linings, and structural ceramics due to excellent thermal stability and resistance to thermal shock.

3. Electronics and Semiconductors

Applied in high-performance electronic devices, power electronics, semiconductor components, and LEDs, benefiting from its excellent electrical and thermal properties.

4. Automotive Industry

Utilized in brake pads, clutches, bearings, and engine components for enhanced durability, thermal stability, and performance.

5. Metallurgical Processes

Used as a deoxidizing and alloying agent in steel production and foundry operations, enhancing metal quality and performance.

6. Coatings and Composite Materials

Applied in protective coatings, armor systems, and composite materials for improved hardness, corrosion resistance, and mechanical strength.

Pricing of Silicon Carbide Micron Powder

Pricing varies based on purity, particle size, and specific industrial standards:

• Industrial Grade: Typically ranges from $800 to $1,500 per metric ton, suitable for general abrasive and industrial applications.
• High-Purity Grade: Approximately $2,500 – $5,000 per metric ton, used in electronics, semiconductor, and specialty ceramic applications.

Factors Influencing Silicon Carbide Prices

• Particle size (micron level)
• Purity and impurity content
• Specific industrial applications and quality standards
• Volume and frequency of purchase

Conclusion

Silicon Carbide (SiC) micron powder, characterized by remarkable hardness, thermal conductivity, chemical stability, and versatility, serves numerous industries including abrasives, ceramics, electronics, automotive, and metallurgy. Its adaptability to demanding conditions and applications reflects its growing importance in advanced materials technology. Pricing varies based on product specifications and applications, highlighting its tailored nature for diverse industrial uses.