Hexagonal boran nitride can also be called white graphite. The hexagonal network layer of hexagonal boran nitride is also formed by nitrogen and boron. Purity: 99%
Particle size: 100nm (or 500nm), 3-5um

Description of Hexagonal Boron Nitride BN Powder CAS10043-11-5：

First of all, boron nitride has a high melting point. Its melting point is up to 3000 ° C so that it can remain stable in high-temperature environments. This property makes boron nitride highly valuable in high-temperature applications, such as in the manufacture of high-temperature stoves, batteries, and coatings.

Secondly, boron nitride has high hardness; its hardness is close to diamond, with extremely high wear resistance and corrosion resistance. This property makes it widely used in the mechanical field, such as the manufacture of high-performance cutting tools, wear-resistant parts, and sealing materials.

In addition, boron nitride is not easy to react with water, oxygen, and other substances, so it has a high stability in the air. This property makes boron nitride widely used in electronic, mechanical, and aerospace fields, such as the manufacture of electronic devices, aircraft engine parts, and fuel cells.

In addition, boron nitride also has excellent thermal conductivity, and its thermal conductivity is higher than that of metal materials such as copper and aluminum. This property makes boron nitride widely used in electronic and mechanical fields, such as the manufacture of integrated circuits, electronic packaging materials, and heat sinks.

Finally, boron nitride also has properties such as low dielectric constant and good thermal stability, which make it widely used in the fields of electronics, machinery, and aerospace. For example, in the manufacture of high-frequency electronic devices, optical devices, and aircraft engine parts, these properties of boron nitride have high application value.

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Boron Nitride Powder Product Performance:
Boron nitride ceramic It is a simple, new macromolecular type with cubic and hexagonal crystal shapes.
It is a kind of product with high temperature-resisting, corrosion-resisting, high insulating and good lubricity.
It is a high-temperature lubricant that can withstand oxidation up to 1000degC.
Solid lubricants that are suitable for use at high temperatures.

Boron Nitride powder technical parameters:

Product Name	MF	Purity	Particle Size	Melting Point	Density (g/cm3)	Color
boron nitride	BN	99%	100nm, 500nm, 3-5um	3000	2.29	The white -

Boron Nitride powder chemical composition:

BN	MgO	Na2O	Fe2O3	CuO	MnO
99%	0.068%	0.08%	0.06%	0.012%	0.0253%

Applications of Boron Nitride BN Powder:

Boron nitride is a compound with many excellent properties and is widely used in many fields. The application areas of boron nitride are described in detail below.

First, the field of electronics

In the field of electronics, boron nitride is widely used in the manufacture of high-reliability, high-frequency electronic devices, such as integrated circuits, field effect tubes, and so on. This is due to the high insulation, low dielectric constant, and good thermal stability of boron nitride, which can provide better signal transmission speed and lower power consumption, thereby improving the performance of integrated circuits. In addition, boron nitride can also be used as an electronic packaging material with excellent thermal conductivity and corrosion resistance, which can protect electronic devices from the impact of the environment.

The high thermal conductivity and low dielectric constant of boron nitride make it an ideal insulating material for high-frequency electronic devices such as integrated circuits and field effect tubes. It can improve the heat dissipation performance and insulation performance of electronic devices and effectively reduce the risk of damage to electronic devices. In addition, boron nitride can also be used as a dielectric material for thin film resistors and capacitors for the manufacture of high-tech products such as microelectromechanical systems.

Second, the field of machinery

In the mechanical field, boron nitride is widely used in the manufacture of high-strength, lightweight, corrosion-resistant metal composites. By mixing boron nitride powder with metal matrix material, metal composites with excellent properties can be prepared. These composite materials have high strength, high hardness, good wear resistance, and corrosion resistance. They can be used to manufacture various mechanical parts and components, such as automotive parts, aerospace materials, and so on.

By adding boron nitride powder to ceramic materials, the mechanical properties and wear resistance of ceramic materials can be significantly improved so that they can maintain stability at high temperatures.

Aerospace

In the aerospace field, boron nitride is widely used in the manufacture of high-temperature fuel cells, rocket engines, and other products. This is due to the excellent high-temperature resistance and chemical stability of boron nitride, which can remain stable at high temperatures and has good thermal conductivity and mechanical properties.

In the manufacture of rocket engines, boron nitride is used as a combustion chamber material, which has high heat resistance and excellent thermal conductivity. It can withstand extreme environments of high temperature and pressure and has good corrosion and wear resistance. In addition, boron nitride can also be used to manufacture aviation blades, turbines, and other aerospace materials, with high strength, lightweight, corrosion resistance, and other advantages.

Fourth, the medical field

In the medical field, boron nitride can be used in the manufacture of artificial joints, dental plants, and other medical devices. This is because boron nitride has good biocompatibility and corrosion resistance and other characteristics, can be compatible with human tissues, and will not cause rejection. 

Production Method of Boron Nitride BN Powder:

Pyrolysis method

Pyrolysis is the most common method for producing boron nitride. The method is to pyrolysis boric acid and ammonia at high temperatures to produce boron nitride. The specific steps are as follows:

Ammonium borate is formed by mixing boric acid and ammonia in a certain proportion.

The ammonium borate salt is heated to a high temperature, usually above 1000 ° C so that its pyrolysis reaction produces boron nitride.

Boron nitride powder was obtained by grinding, washing, and drying the collected boron nitride.

The pyrolysis method has the advantages of a simple process, convenient operation, and low cost, so it is widely used. However, the pyrolysis method also has some shortcomings, such as the production process will produce nitrogen and other harmful gases and need to take corresponding environmental protection measures.

The second reaction method

The reaction method is the reaction of nitrogen and boron powder at high temperatures to produce boron nitride. The specific steps are as follows:

Boron powder is placed in a vacuum reactor.

The reactor is heated to a high temperature, and nitrogen is injected to react with boron powder.

After the reaction is complete, the reactor is cooled to obtain boron nitride powder.

The advantage of the reaction method is that high-purity boron nitride powder can be prepared, and no harmful gases are produced in the production process. However, the disadvantage of the reaction method is the high cost of equipment and the need to use high-purity nitrogen and boron powder, so it is not suitable for large-scale production.

Vapor deposition method

The vapor deposition method is to produce boron nitride powder by reaction under the condition of gas phase. The specific steps are as follows:

The boron-containing compound is heated to high temperatures so that it evaporates into a gaseous state.

Nitrogen is passed into high-temperature boron vapor to react with nitrogen.

After the reaction is complete, the reactor is cooled to obtain boron nitride powder.

The advantage of vapor deposition is that high-purity boron nitride powder can be prepared, and no harmful gases. However, the disadvantage of vapor deposition is the high cost of equipment and the need to use high-purity boron-containing compounds, so it is not suitable for large-scale production.

Boron Nitride BN : Packaging & Shipping
The packing depends on the quantity of hexagonal Boron Nitride BN powder.
Hexagonal boron Nitride BN Powder Packing : Vacuum packaging 100g,500g or 1kg/bag. 25kg/barrel.
Hexagonal Boron Nitride Powder Shipping : Once payment has been received, goods can be shipped by sea, air or express.

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Boron Nitride Properties
Alternative Names	Boron nitride
CAS Number	10043-11-5
Compound Formula	BN
Molecular Mass	24.82
Appearance	Colorless Crystals
Melting Point	2973 degC
Boiling Point	N/A
Density	2.1 g/cm3
Solubility In H2O	Unsolvable
Electrical Resistivity	13 to 15 10x O.m
Poisson’s Ratio	0.1
Specific Heating	840 to 1610 j/kg-k
Thermal Conduction	29 to 96 m/K
Thermal Expander	The range of 0.54 to 18 um/m/K
Young's Module	14-60 GPa
Exact Mass	25.0124
Monoisotopic Mash	25.0124
Boron nitride Health and Safety Information
Sign Word	Warning
Hazard Statements	H319-H335
Hazard Codes	Xi
Risk Codes	36/37
Safety Declarations	26-36
RTECS Number	ED7800000
Transport Information	N/A
WGK Germany	3

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