Nitruro de boro hexagonal, HBN Polvo ultrafino,

Hexagonal Boron Nitride (hBN), often referred to as 'White Graphite' due to its similar crystal structure to graphite, is a remarkable material known for its versatile applications and exceptional properties. It offers a unique blend of characteristics that surpass even graphite in various aspects. hBN's hexagonal crystal structure provides outstanding lubricating properties and boasts exceptional thermal and chemical stability, making it an indispensable component across industries.

CAS No.: 10043-11-5

EINECS No.: 233-136-6

Chemical Formula: BN

Molecular Weight: 24.82

Crystal Structure: Hexagonal phases

Key Properties:

- Melting Point: 3000 °C Dissociates

- Coefficient of Friction (COF): 0.15 to 0.70

- Thermal Conductivity: 0.08 cal/ cm.sec.K (at 293 K, directional average)

- Temperature Stability:

- 1000°C in Air

- 1400°C in Vacuum

- 1800°C in Inert atmosphere

MarkNature offers hBN powders in various particle sizes:

50 nm;5 micron;8 micron;15 micron;30 micron

These diverse particle sizes make hBN suitable for a wide range of applications across industries.

Specification:	HBN-50 Nanometer	HBN-5 Micron	HBN-8 Micron	HBN-15 Micron	HBN-30 Micron
Assay (BN):	99.5% min.	98.5% min	99.0% min	99.0% min	99.0% min
Free of B2O3:	0.2 max.	0.8% max.	0.3% max.	0.3% max.	0.3% max.
Moisture:	0.3% max.	0.5% max.	0.3% max.	0.3% max.	0.3% max.
Particle size (D50):	50 nm	5.0 μm	8.0 μm	15.0 μm	30.0 μm
Tap density, g/cm3	0.1~0.2	0.3~0.5	0.4~0.6	0.5~0.7	0.5~0.7
Surface Area(BET):	15~45 m2/g	8~20 m2/g	5~15 m2/g	1~3 m2/g	1~3 m2/g
Typical Analysis Report
O:	0.20%	0.5~1.0%	0.40%	0.20%	0.20%
Cd:	2ppm	2ppm	2ppm	2ppm	2ppm
Pb:	2ppm	2ppm	2ppm	2ppm	2ppm
Hg:	2ppm	2ppm	2ppm	2ppm	2ppm
Cr:	2ppm	2ppm	2ppm	2ppm	2ppm
As:	10ppm	10ppm	10ppm	10ppm	10ppm

Hexagonal Boron Nitride (hBN) possesses several key features that make it a valuable material in various industries:

1. Superior Lubrication: hBN offers exceptional lubricating properties that surpass those of graphite.

2. Chemical Inertness: It exhibits excellent resistance to chemical reactions, making it suitable for use in chemically harsh environments.

3. Thermal Conductivity: hBN efficiently dissipates heat, contributing to its use in applications requiring heat management.

4. Electrical Insulation: It serves as a reliable electrical insulator, making it suitable for electronic and electrical applications.

5. High-Temperature Stability: hBN maintains its structural integrity in extreme heat, making it valuable in high-temperature applications.

6. Low Thermal Expansion: It exhibits minimal expansion under temperature fluctuations.

7. Non-Wetting Properties: hBN resists wetting by various metals, glasses, and salts.

8. High Load Bearing: It can withstand heavy loads without compromising its performance.

Applications of Hexagonal Boron Nitride include:

- Solid Lubricant: Used as powders or additives in lubricating oils to improve lubrication.

- Mold Release Agent: Facilitates easy release in plastic injection molding and metal casting processes.

- Electronics Insulation: Acts as a substrate for semiconductors and microwave electronics due to its excellent electrical insulation properties.

- Composite Materials: Blended with ceramics, alloys, resins, plastics, and rubbers to provide self-lubricating characteristics and enhance the performance of composite materials.

hBN's versatility and unique properties make it a valuable solution in various industrial applications, offering reliability, durability, and efficiency.