What is Strontium Iron Oxide (SrFe₁₂O₁₉) Micron Powder?

Strontium Iron Oxide (SrFe₁₂O₁₉) micron powder is a hard magnetic material with high coercivity, excellent chemical stability, and strong resistance to demagnetization. It is widely used in permanent magnets, electronics, telecommunications, and electromagnetic shielding applications.

Chemical Properties and CAS Number

• Chemical Formula: SrFe₁₂O₁₉
• CAS Number: 12023-91-5
• Appearance: Dark brown or black fine powder
• Density: Approximately 5.1 g/cm³
• Melting Point: ~1,300°C
• Magnetic Properties: High coercivity and excellent magnetic stability
• Chemical Stability: Highly resistant to oxidation, corrosion, and environmental degradation

Applications of Strontium Iron Oxide Micron Powder

1. Permanent Magnets and Magnetic Materials

Used in the production of permanent magnets for electric motors, loudspeakers, sensors, and industrial equipment due to its strong magnetic properties.

2. Data Storage and Magnetic Recording

Applied in magnetic tapes, data storage devices, and magnetic strips, providing high-density magnetic storage capabilities.

3. Electromagnetic Shielding and RF Applications

Utilized in electromagnetic interference (EMI) shielding, radio-frequency (RF) absorbers, and microwave applications.

4. Electronics and Telecommunications

Employed in high-frequency electronic components, antennas, and ferrite cores for inductors and transformers.

5. Aerospace and Defense

Integrated into radar-absorbing materials, stealth coatings, and high-performance military applications.

6. Industrial and Automotive Applications

Used in magnetic separators, automotive sensors, and industrial magnet applications for durability and efficiency.

Pricing of Strontium Iron 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 high-end electronics and aerospace applications.

Factors Influencing Strontium Iron Oxide Prices

• Purity level and particle size distribution
• Application-specific industry standards and certifications
• Manufacturing complexity and processing costs
• Bulk order volume and supply chain conditions

Conclusion

Strontium Iron Oxide (SrFe₁₂O₁₉) micron powder is a critical material used in permanent magnets, data storage, electronics, and electromagnetic shielding. Its strong magnetic properties, chemical stability, and resistance to demagnetization make it essential for high-performance applications. Pricing depends on purity, particle specifications, and intended industry use.