Spherical Boron Nitride Powder Description
Spherical Boron Nitride Powder has isotropic thermal conductivity due to its special particle structure, which overcomes the disadvantages of anisotropic thermal conductivity of flake boron nitride. It achieves good planar thermal conductivity at a lower filling ratio. It also has the advantages of low density and low dielectric constant as regular boron nitride. At the same filling amount, the thermal conductivity of Spherical Boron Nitride is more than three times that of Standard Platelet Boron Nitride Powder.
The density of SSBNL series products is lower than that of SSBN, and the viscosity of SSBNL is high when used in the system. Under the same filling amount, the thermal conductivity value of SSBNL is high. Therefore, SSBN can achieve the request of high filling, while SSBNL meets the demands of high thermal conductivity value.
Spherical Boron Nitride Powder Specifications
SSBN Typical Properties
|
Technical Item
|
Unit
|
SSBN-60
|
SSBN-100
|
SSBN-120
|
SSBN-160
|
|
Particle Size D50
|
μm
|
65
|
100
|
120
|
180
|
|
Specific Surface Area
|
m2/g
|
≤4
|
≤4
|
≤4
|
≤4
|
|
Electrical Conductivity
|
μS/cm
|
≤100
|
≤100
|
≤100
|
≤100
|
|
pH
|
-
|
≤10.0
|
≤10.0
|
≤10.0
|
≤10.0
|
|
Tap Density
|
g/cm3
|
0.45
|
0.45
|
0.45
|
0.45
|
|
BN Content
|
%
|
≥99.3
|
≥99.3
|
≥99.3
|
≥99.3
|
SSBNL Typical Properties
|
Technical Item
|
Unit
|
SSBNL-120
|
SSBNL-200
|
SSBNL-250
|
|
Particle Size D50
|
μm
|
120
|
200
|
260
|
|
Specific Surface Area
|
m2/g
|
≤4
|
≤4
|
≤4
|
|
Electrical Conductivity
|
μS/cm
|
≤100
|
≤100
|
≤100
|
|
pH
|
-
|
≤10.0
|
≤10.0
|
≤10.0
|
|
Tap Density
|
g/cm3
|
0.45
|
0.45
|
0.45
|
|
BN Content
|
%
|
≥99.3
|
≥99.3
|
≥99.3
|
Spherical Boron Nitride Powder Applications
1. Thermal Conductive Materials: Used in the production of thermal interface materials and heat spreaders due to its high thermal conductivity and ability to enhance heat dissipation in electronic devices.
2. Advanced Composites: Incorporated into polymer and metal matrices to improve thermal conductivity and mechanical strength, benefiting from its spherical shape that provides uniform dispersion and enhances material properties.
3. Lubricants: Added lubricants to reduce friction and wear, especially in high-temperature and high-pressure environments, leveraging its low friction coefficient and stability.
4. Electronics: Utilized in electronic substrates and insulating layers where high thermal conductivity and electrical insulation are essential.
5. Coatings: Applied in protective coatings to improve wear resistance, thermal stability, and chemical resistance.
6. Optoelectronics: Employed in optoelectronic devices for its high thermal conductivity and stability, supporting the performance and longevity of components.
7. Aerospace and Defense: Used in high-performance aerospace and defense applications where thermal management, mechanical strength, and durability are critical.
Spherical Boron Nitride Powder Packaging
Our Spherical Boron Nitride Powder is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
Spherical Boron Nitride Powder FAQs
Q1: What are the key properties of spherical boron nitride powder?
A: Key properties include high thermal conductivity, excellent electrical insulation, chemical inertness, high thermal stability, lubricating properties, and enhanced flowability due to the spherical shape.
Q2: How is spherical boron nitride powder produced?
A: Spherical boron nitride powder is typically produced using methods like chemical vapor deposition (CVD), spray drying, or plasma processing. These methods help achieve the desired spherical shape and high purity.
Q3: What are the considerations for handling and storing spherical boron nitride powder?
A: Spherical boron nitride powder should be stored in a dry, cool environment to prevent moisture absorption. Proper protective equipment should be used to avoid inhalation and skin contact during handling.
