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.

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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.
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