Boron Oxide Powder (B₂O₃)
Introduction
Boron Oxide Powder (B₂O₃) is an essential high-purity material widely used in glass, ceramics, electronics, and specialty coatings. As a key source of boron in advanced material production, B₂O₃ provides unique chemical and physical properties such as high thermal stability, low density, and strong glass-forming ability. Its role in developing specialty glasses, thin films, and high-performance composites makes it a critical raw material in research and industry.
Detailed Description
Boron Oxide (B₂O₃) is a white, hygroscopic, amorphous powder or granular solid. It is most commonly prepared through the dehydration of boric acid or from boron-containing minerals.
Appearance: White, amorphous powder
Purity: Typically available at 99.9% or higher for electronic and optical applications
Form: Fine powder or glassy granules, depending on production process
Melting Point: ~450 °C (glass transition behavior)
Solubility: Soluble in water, alcohol, and some organic solvents
Properties: Excellent glass-forming ability, low refractive index, and high resistance to crystallization
These properties make B₂O₃ indispensable in the production of borosilicate glasses and as a flux in high-performance materials.
Applications
Glass and Ceramics: Key ingredient in borosilicate glass, optical glass, and ceramic formulations.
Semiconductors: Used in thin film deposition for dielectric layers and diffusion sources.
Optical Coatings: Applied in anti-reflective and specialty coatings.
Flux Material: Improves melting behavior in metallurgical and ceramic processing.
Composites & Advanced Materials: Component in high-performance fibers, refractory materials, and catalysts.
Research & Development: Utilized in experimental synthesis of new glass and oxide systems.
Technical Parameters
| Parameter | Typical Value / Range | Importance |
|---|---|---|
| Purity | 99.5% – 99.99% | Higher purity reduces contamination in thin films and glasses |
| Form | Powder / Granule | Powder for deposition, granules for glass production |
| Particle Size | <10 µm – 100 µm | Fine powders enhance reactivity and uniformity |
| Density | 1.84 g/cm³ | Influences packing and processing behavior |
| Melting Point | ~450 °C | Defines processing temperature window |
Comparison with Related Materials
| Material | Key Advantage | Typical Application |
|---|---|---|
| Boron Oxide (B₂O₃) | Excellent glass former, high purity | Borosilicate glass, coatings |
| Boron Carbide (B₄C) | Extreme hardness, wear resistance | Abrasives, armor |
| Boron Nitride (BN) | High thermal conductivity, insulator | Electronics, lubricants |
| Boric Acid (H₃BO₃) | Easy precursor, lower cost | Fertilizers, simple glass formulations |
FAQ
| Question | Answer |
|---|---|
| Is Boron Oxide Powder hygroscopic? | Yes, it readily absorbs moisture and should be stored in sealed containers. |
| Can it be used in thin film deposition? | Yes, B₂O₃ is often used in PVD and CVD processes for dielectric and optical layers. |
| How is it packaged? | Typically vacuum-sealed in moisture-proof bags, then placed in export-grade cartons or drums. |
| What industries use it most? | Glassmaking, electronics, semiconductors, coatings, and advanced ceramics. |
Packaging
Our Boron Oxide Powder (B₂O₃) is carefully packed in sealed, moisture-proof containers to prevent hydration and maintain purity. Each package is labeled with batch and quality details, then secured in export-safe cartons or drums for international shipping.
Conclusion
Boron Oxide Powder (B₂O₃) is a vital material for glass, ceramics, semiconductors, and advanced coatings. With its high purity, excellent glass-forming capability, and versatile applications, it serves as a cornerstone in both industrial production and academic research.
For detailed specifications and a quotation, please contact us at sales@thinfilmmaterials.com.
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