information centre / Ceramic material / Introduction of Boron Nitride Ceramic Materials

Introduction of Boron Nitride Ceramic Materials

Introduction

Boron Nitride (BN) ceramic resists temperatures up to 850°C in air and 2000°C in inert gas. With excellent thermal stability and conductivity, it is ideal for high-temperature furnaces and chemical processing equipment.

Contact Us
Live
Specifications|Support customization
Drawings of precision ceramic plates and rods
Plate material mm (L, H, and W can be selected as needed, customization supported)
L 3 5 8 10 12 15 18 20 22 25 28 More (Customizable)
W*H 100*100 90*140 95*145 150*150 160*160 122*290 110*275         More (Customizable)
Rod material mm (W, Ø can be selected as needed, customization supported)
Ø 0.5 0.8 0.9 1 1.5 2 2.5 3 3.5 4 4.5 More (Customizable)
W 60 100 120 200               More (Customizable)
Features

Boron Nitride ceramic (BN) is a highly unique and useful ceramic material, possessing several noteworthy attributes.

1. Outstanding Mechanical Performance and Applications

Boron Nitride ceramic exhibits excellent mechanical characteristics, including high purity and low density, making it excel in various applications.

  • Density: 1.95±0.05 g/cm³
  • Purity: BN purity up to 99.5%
  • Hardness: 4 Kg/mm²
  • Porosity: 15%
  • Flexural Strength: At 20℃, flexural strength is 22 MPa

These mechanical properties enable Boron Nitride ceramic to be widely used in industrial sectors, especially in environments requiring high purity and specific mechanical properties.

2. Excellent Thermal Properties

Boron Nitride ceramic also possesses exceptional thermal properties, including high temperature stability and good thermal conductivity, making it suitable for various high-temperature applications.

  • Maximum Operating Temperature:
    • Maximum operating temperature in air is 850℃
    • Maximum operating temperature in inert gases can reach 2000℃
  • Thermal Conductivity: At 25℃, thermal conductivity is 50-70 W/(m·K)
  • Thermal Expansion Coefficient: In the range of 25℃ to 1900℃, thermal expansion coefficient is 1-1.2 × 10⁻⁶/K

These thermal characteristics make Boron Nitride ceramic highly valuable in applications requiring high temperature stability and good thermal conductivity, such as high-temperature furnaces and chemical processing equipment.

Physical properties
Material Properties & Physical Performance Units Typical Values
Colour white
Density g/cm3 1.95±0.05
BN Puriy % 99.5
Hardness Kg/mm² 4
Porosity % 15
Flexural Strength(20℃) Mpa 22
Thermal properties
The rmodynamic property Units Typical Values
Maximum Use Temperature Oxygen-rich environment 850℃
2000℃
Thermal Conductivity(25℃) W/(m·K) 50-70
Thermal Expansion Coefficient(25℃-1900℃) 10-6/K 1-1.2
Electrical properties
Electricl Protperties Units Typical Values
RT Resistivity Ω.cm 1416
*Values ​​are typical material properties, actual values ​​may vary due to product configuration and manufacturing process.
*For more details, please feel free to contact our company.
Other
Precision ceramic products
laboratory melting crucible

Small Silicon Nitride Ceramic Crucible

Material:Silicon Nitride Ceramics

Describe:Discover silicon nitride ceramic crucibles for high-temperature experiments and industrial melting processes. Known for their thermal stability, corrosion resistance, and durability, these crucibles ensure reliable performance in laboratory and industrial settings.

Drilling of zirconia ceramic disk

Perforated zirconia ceramic discs

Material:Zirconia Ceramics

Describe:Perforated zirconia (ZrO2) ceramic discs for installation, fluid passage, or light transmission, used in precision equipment, electronics cooling, and chemical applications.

High-frequency industrial ceramic ring

Alumina Ceramic Ring Sleeve

Material:Alumina ceramics

Describe:Alumina ceramic ring sleeves, known for their mechanical strength, low water absorption, and thermal stability, are preferred for high-end industrial applications. They excel in harsh environments and provide outstanding electrical insulation, making them essential in electronics, aerospace, energy, semiconductors, and chemicals. These attributes make alumina ceramic ring sleeves crucial for modern industrial advancements.

ceramic encapsulation substrate

Aluminum nitride heat sink

Material:Aluminum Nitride Ceramics

Describe:Aluminum nitride (AlN) heat sink provides high thermal conductivity for efficient heat dissipation in semiconductor devices and LED lighting, enhancing equipment stability and performance.

silicon nitride ceramic bearing roller

Silicon nitride ceramic bearing rollers

Material:Silicon Nitride Ceramics

Describe:Discover silicon nitride (Si3N4) ceramic bearing rollers, known for their high strength and wear resistance. Widely used in aerospace, automotive, electronics, and industrial machinery, these rollers enhance bearing durability, reduce maintenance, and extend equipment lifespan.

0.001mm tolerance ceramic pin

Zirconia ceramic gauge

Material:Zirconia Ceramics

Describe:Custom zirconia (ZrO2) ceramic gauges with 0.001mm tolerance offer precise measurements in high-pressure environments, ensuring accuracy and reliability.