What is Barium Ferrite (BaFe₁₂O₁₉) Micron Powder?
Barium Ferrite (BaFe₁₂O₁₉) micron powder is a hard magnetic material known for its excellent magnetic properties, chemical stability, and high resistance to demagnetization. It is widely used in permanent magnets, data storage, electronics, and electromagnetic shielding applications.
Chemical Properties and CAS Number
- Chemical Formula: BaFe₁₂O₁₉
- CAS Number: 12047-11-9
- Appearance: Dark brown or black fine powder
- Density: Approximately 5.1 g/cm³
- Melting Point: ~1,300°C
- Magnetic Properties: Strong permanent magnet with high coercivity
- Chemical Stability: Highly resistant to oxidation, corrosion, and harsh environmental conditions
Applications of Barium Ferrite Micron Powder
1. Permanent Magnets and Magnetic Materials
Used in the production of permanent magnets for motors, loudspeakers, magnetic recording media, and sensors due to its strong magnetic properties.
2. Data Storage and Magnetic Recording
Applied in magnetic tapes, credit card strips, and hard disk drives, offering high-density magnetic storage capabilities.
3. Electromagnetic Shielding and Absorbers
Utilized in electromagnetic interference (EMI) shielding and microwave absorption materials to enhance electronic device protection.
4. Electronics and Telecommunications
Employed in electronic components, antennas, and RF devices due to its excellent electrical insulating and magnetic properties.
5. Aerospace and Defense
Integrated into radar-absorbing materials, stealth coatings, and high-frequency communication equipment for military and aerospace applications.
6. Microwave and High-Frequency Devices
Used in microwave filters, ferrite cores, circulators, and isolators to enhance signal transmission and reduce interference.
Pricing of Barium Ferrite Micron Powder
Prices vary based on purity, particle size, synthesis method, and specific application 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 Barium Ferrite 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
Barium Ferrite (BaFe₁₂O₁₉) micron powder is a crucial material in permanent magnets, data storage, electromagnetic shielding, and electronic applications. Its high coercivity, chemical stability, and excellent magnetic properties make it indispensable for high-performance industries. Pricing depends on purity, particle specifications, and intended usage.