Atomfair Hexagonal Boron Nitride (h-BN) Powder, Fine Particle Size, D50 2.8 μm
Product Description
Atomfair hexagonal boron nitride (h-BN) powder is supplied as small, thin circular platelets with weak agglomeration, with a D50 particle size of 2.8 μm and medium crystallinity. It is intended for sintered boron nitride, composite-ceramic, and coating research.
Technical Specifications
| PARAMETER DETAILS | |
|---|---|
| Product | Hexagonal Boron Nitride (h-BN) Powder |
| Chemical Formula | BN |
| Structure / Phase | Hexagonal boron nitride (h-BN) |
| Morphology | Small, thin circular platelets with weak agglomeration |
| Crystallinity | Medium |
| D50 Particle Size | 2.8 μm |
| Specific Surface Area | 15 m2/g |
| Tap Density | 0.4 g/cm3 |
| Water-Soluble Boron | 0.10% |
Customization & Ordering
Custom specifications, quantities, or packaging may be available upon request. Please submit your target specifications, required quantity, packaging requirements, and delivery timeline through Request a Quote.
Key Features and Advantages
- Morphology: Small, thin circular platelets with weak agglomeration.
- Specified D50 particle size: 2.8 μm.
- Specified specific surface area: 15 m²/g.
APPLICATION SCOPE: sintered boron nitride, composite-ceramic, and coating research.
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
How does the medium crystallinity of this h-BN powder affect its sintering behavior compared to high-crystallinity grades?
The medium crystallinity provides a balance between reactivity and structural integrity. With a D50 of 2.8 μm and specific surface area of 15 m²/g, the powder exhibits weak agglomeration, making it suitable for sintered boron nitride and composite-ceramic applications where controlled densification is desired. Higher crystallinity grades may require higher sintering temperatures and yield lower reactivity.
What is the significance of the 0.10% water-soluble boron content in h-BN powder for ceramic composite processing?
The low water-soluble boron content (0.10%) indicates minimal boron oxide impurities, which is critical for maintaining purity in ceramic composites and coatings. Higher soluble boron could lead to unwanted glassy phases or affect dielectric properties. This specification ensures consistent performance in sintered boron nitride and composite-ceramic research.
What are the recommended handling and storage conditions for this fine h-BN powder to prevent agglomeration and maintain particle size distribution?
The powder is supplied as small, thin circular platelets with weak agglomeration. To maintain the D50 of 2.8 μm and specific surface area of 15 m²/g, it should be stored in a dry, sealed container away from moisture and contaminants. Gentle handling is recommended to avoid compaction. A COA and SDS are available for batch-specific handling guidelines.
Atomfair's h-BN powder with D50 2.8 μm and weak agglomeration is well-suited for sintered BN, composite-ceramic, and coating research, but its medium crystallinity and trace soluble boron content impose constraints on thermal and purity-sensitive applications.
Positive
- Weakly agglomerated platelet morphology: The small, thin circular platelets with weak agglomeration facilitate uniform dispersion in composite and coating matrices, reducing processing defects.
- Controlled fine particle size and surface area: The D50 of 2.8 μm and specific surface area of 15 m²/g provide predictable rheology and sintering behavior for research reproducibility.
Trade-offs
- Trace water-soluble boron impurity: The presence of 0.10% water-soluble boron may require purification steps for applications demanding ultra-high purity, such as advanced electronic substrates.
- Medium crystallinity limits thermal performance: The medium crystallinity of this h-BN powder may result in lower thermal conductivity compared to highly crystalline grades, requiring consideration for thermal management applications.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).


