What is Cerium Oxide (CeO₂) Micron Powder?

Cerium Oxide (CeO₂) micron powder is a rare earth metal oxide known for its excellent catalytic, optical, and polishing properties. It is widely used in automotive, glass polishing, electronics, and environmental applications.

Chemical Properties and CAS Number

• Chemical Formula: CeO₂
• CAS Number: 1306-38-3
• Appearance: Yellowish-white fine powder
• Density: Approximately 7.22 g/cm³
• Melting Point: ~2,400°C
• Solubility: Insoluble in water, soluble in acids
• Chemical Stability: High oxidation resistance, strong redox properties

Applications of Cerium Oxide Micron Powder

1. Glass Polishing and Abrasives

Used as a polishing agent for optical glass, mirrors, and LCD screens due to its superior surface finishing capabilities.

2. Automotive Catalysts and Emission Control

Applied in catalytic converters to reduce harmful vehicle emissions and enhance fuel efficiency.

3. Electronics and Semiconductor Industry

Utilized in electronic components, sensors, and fuel cell electrolytes for improved conductivity and stability.

4. UV Absorption and Sunscreen Formulations

Employed in cosmetic formulations and coatings for its strong UV-blocking properties.

5. Environmental and Chemical Catalysis

Used in industrial catalysis, air purification systems, and hydrogen production due to its redox abilities.

6. High-Temperature Ceramics and Coatings

Integrated into thermal barrier coatings, ceramic materials, and refractories for extreme temperature resistance.

Pricing of Cerium Oxide Micron Powder

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

• Industrial Grade: Typically ranges from $50 – $500 per kilogram
• High-Purity/Specialized Grade: Prices range from $1,000 – $5,000 per kilogram, used in advanced optics, catalysis, and semiconductor applications.

Factors Influencing Cerium Oxide Powder Prices

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

Conclusion

Cerium Oxide (CeO₂) micron powder is a high-performance material with applications in glass polishing, catalysis, electronics, and environmental protection. Its superior oxidation resistance, redox activity, and UV absorption make it essential for advanced industrial and scientific applications. Pricing depends on purity, particle specifications, and intended use.