What is Chromium(III) Oxide (Cr₂O₃) Micron Powder?

Chromium(III) Oxide (Cr₂O₃) micron powder is a high-purity inorganic compound known for its exceptional hardness, thermal stability, and corrosion resistance. It is widely used in coatings, pigments, refractories, ceramics, and catalysis due to its chemical inertness and excellent wear resistance.

Chemical Properties and CAS Number

• Chemical Formula: Cr₂O₃
• CAS Number: 1308-38-9
• Appearance: Green fine powder
• Density: Approximately 5.22 g/cm³
• Melting Point: ~2,435°C
• Solubility: Insoluble in water, soluble in acids
• Chemical Stability: Highly resistant to oxidation, corrosion, and extreme temperatures

Applications of Chromium(III) Oxide Micron Powder

1. Coatings and Wear-Resistant Applications

Used in thermal spray coatings, hard-facing materials, and anti-corrosion coatings to enhance durability and resistance to wear.

2. Pigments and Ceramic Materials

Employed as a green pigment in paints, ceramics, and glass manufacturing due to its high color stability and UV resistance.

3. Catalysts and Chemical Processing

Utilized as a catalyst in organic synthesis, petrochemical refining, and polymerization reactions.

4. Refractory Materials and High-Temperature Applications

Applied in refractories, crucibles, and high-temperature furnace linings due to its exceptional heat resistance.

5. Aerospace and Metallurgical Applications

Integrated into high-performance alloys, superalloys, and aerospace coatings to improve mechanical strength and oxidation resistance.

6. Additive Manufacturing and 3D Printing

Used in advanced powder metallurgy and additive manufacturing to produce wear-resistant and high-temperature components.

Pricing of Chromium(III) Oxide Micron Powder

Prices vary based on purity, particle size, synthesis method, and application-specific requirements:

• Industrial Grade: Typically ranges from $50 – $300 per kilogram
• High-Purity/Specialized Grade: Prices range from $500 – $2,000 per kilogram, used in aerospace, electronics, and catalytic applications.

Factors Influencing Chromium(III) Oxide Powder Prices

• Purity level and particle size distribution
• Industry-specific standards and certifications
• Processing complexity and production costs
• Bulk order volume and supply chain conditions

Conclusion

Chromium(III) Oxide (Cr₂O₃) micron powder is a crucial material for coatings, ceramics, catalysis, and high-temperature applications due to its superior hardness, chemical stability, and corrosion resistance. Its applications in aerospace, refractories, and pigments make it highly valuable for industrial and technological advancements. Pricing depends on purity, particle specifications, and intended use.