Boron Nitride Industrial Ceramic Materials
Last Updated: April 1, 2025
Description
Boron Nitride (BN) ceramics are technical-grade materials known for their exceptional temperature-resistant properties, high thermal conductivities, and high dielectric strength. These ceramics are chemically inert, making them suitable for use in demanding environments. They are manufactured by pressing BN powders at high temperatures and pressures to form billets, which can be easily machined into complex shapes without the need for green firing, grinding, or glazing.
Working Principle
Boron Nitride ceramics work by leveraging their unique combination of thermal and electrical properties. Their high thermal conductivity allows them to efficiently dissipate heat, while their dielectric strength makes them excellent insulators. The chemical inertness of BN ceramics ensures stability in various environments, preventing reactions with metals and other materials. These properties make BN ceramics useful in applications where thermal management and electrical insulation are critical.
Applications
Boron Nitride ceramics are used in a variety of specific applications. They are employed in plasma chambers due to their resistance to sputtering and low secondary ion generation, which helps maintain the integrity of plasma environments. BN ceramics are also used in Hall-effect thrusters for satellites, where they enhance the lifespan of the thrusters without compromising ionization efficiency. Additionally, they serve as insulators in high-temperature furnaces, components in semiconductor manufacturing, and molds for glass and metal forming.
Advantages over other Industrial Ceramic Materials
Boron Nitride ceramics offer several advantages over other industrial ceramics. They exhibit high thermal shock resistance and low thermal expansion, allowing them to withstand rapid temperature changes. Their high electrical breakdown strength, which is three to four times that of alumina, makes them superior insulators. BN ceramics also provide excellent corrosion resistance in carbon atmospheres, outperforming materials like alumina in demanding industrial environments.
Limitations
Despite their advantages, Boron Nitride ceramics have limitations. They can only be used in oxidizing atmospheres up to 900°C and in inert atmospheres up to 2100°C. Their relatively low hardness, with a Mohs hardness of 2, means they are not suitable for applications requiring high wear resistance. Additionally, their cost can be higher compared to other ceramics due to the complexity of their manufacturing process.
Considerations
When considering Boron Nitride ceramics, it is important to evaluate initial costs, which can be significant due to the specialized manufacturing process. Operating expenses may be lower due to their durability and resistance to harsh environments, reducing the need for frequent replacements. However, maintenance costs should be considered, as the machinability of BN ceramics allows for easy modifications and repairs. Durability is a key advantage, as BN ceramics maintain their properties over a wide range of temperatures and conditions.
from Shenzhen Great Precision Ceramic CO., LTD.
Advantages Of Boron Nitride Ceramic Crucible. Boron nitride ceramic crucible has good heat resistance, thermal stability, thermal conductivity and high temperature dielectric strength, which is an ideal application in heat dissipation and high temperature insulation environment. The boron nitride... [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Thermal Conductivity: 33
- Shape / Form: Rod
- CTE: 2
from Xiamen Innovacera Advanced Materials Co., Ltd.
Innovacera have a new material member named BSN joined BMATS ® Solid Boron Nitride family. BSN is a composite material, it ’s made from BN and Silicon Nitride. It ’s with very good mechanical strength and wear resistance. BSN is often used as nozzle, crucible and stir rods due to its... [See More]
- Material Type: Boron Nitride; Silicon Nitride; SpecialtyMaterial
- Applications: Jigs for molding glass Parts for semiconductor equipment Crucibles/Nozzles for molten meta
- Shape / Form: Rod; Roller / Roll; Tube
- Performance Features: Machinable ceramic; Best wear resistance in Solid BN family Good thermal shock resistance
from Xiamen Unipretec Ceramic Technology Co., Ltd.
Boron nitride ceramic Hall thruster has the following characteristics: insulation, low density, high strength, thermal shock resistance, ease of processing, and sputtering resistance, etc. [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Density: 1.55 to 2.05
- Max Use Temperature: 900 to 2000
- Applications: Corrosion resistant
from Shenzhen Great Precision Ceramic CO., LTD.
Advantages Of boron nitride ceramic disk. Boron nitride ceramic diskr has good heat resistance, thermal stability, thermal conductivity and high temperature dielectric strength, which is an ideal application in heat dissipation and high temperature insulation environment. The boron nitride ceramic... [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- CTE: 2
- Thermal Conductivity: 33
- Applications: HV / Electrical
from Xiamen Innovacera Advanced Materials Co., Ltd.
Innovacera manufactures ceramic setter plates for high demands on geometry and material quality for your components. The setter plate is widely use for sintering and debinding of metal injection molding, ceramic injection molding, piezoelectric ceramic transducer (PZT) or Solid Oxide Fuel Cell(SOFC)... [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Applications: ceramic injection molding
- Shape / Form: Plate / Board
- Performance Features: good mechanical strength with the high porosity
from Xiamen Unipretec Ceramic Technology Co., Ltd.
Boron nitride composite nozzle consists mostly of high-purity hexagonal boron nitride, alumina, zirconia, and silicon carbide. In addition, a small amount of CaZrO3 is added to prolong its service life, and yttrium oxide is added to increase its thermal shock resistance. [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Max Use Temperature: 900 to 2000
- Shape / Form: Immersion Tube or Sheath
- Density: 2 to 3
from Shenzhen Great Precision Ceramic CO., LTD.
Boron Nitride. BN. Boron nitride is a crystal composed of nitrogen atoms and boron atoms. The crystal structure is divided into hexagonal boron nitride (HBN), closely packed hexagonal boron nitride (WBN) and cubic boron nitride. The crystal structure of hexagonal boron nitride has graphite layered... [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- CTE: 2
- Thermal Conductivity: 33
- Density: 2.27
from Xiamen Innovacera Advanced Materials Co., Ltd.
BN-AlN Ceramic is made by sintering Boron Nitride (BN) and Aluminum Nitride (AIN) powder. It has excellent electrical insulator, thermal conductivity, high strength, resistance to thermal shock, and strong resistance to halogen gas plasma, which is offers a wide range of applications, including... [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Applications: Ion Source
- Shape / Form: WaferSubstrate
- Performance Features: Machinable ceramic
from Xiamen Unipretec Ceramic Technology Co., Ltd.
The gas atomization ceramic nozzle is a critical consumable component that determines the performance of the metal powder produced in the gas atomization process. [See More]
- Material Type: Boron Nitride; Silicon Nitride; SpecialtyMaterial
- Max Use Temperature: 900 to 2000
- Shape / Form: Spout
- Density: 2 to 3
from Umicore Metal Deposition Solutions
Specifications. Type. Boat. Material. Boron Nitride. Average power and current values for source at 1600 °C (W). 1400. Average power and current values for source at 1600 °C (A). 280. Quantity. 1 pc [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
from Advanced Abrasives Corp.
cBNP is the clear winner when machining ferrous materials. It is second only to diamond in hardness. cBNP has a high thermal conductivity which makes it ideal for high temperature applications. [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Applications: Abrasive Applications
- Shape / Form: Powder, Grain or Grog
- Bond & Processing: Sintered / Fired (optional feature)
from 3M Advanced Materials Division
3M boron nitride cooling fillers provide a unique opportunity to improve the efficiency of thermally conductive polymers while maintaining electrical resistivity of an insulator. Ongoing miniaturization and large-scale production of electronic components requires materials that can quickly and... [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Density: 0.1500 to 0.5500
- Shape / Form: Custom Shape
- Applications: Cooling Fillers
from Xiamen Wintrustek Advanced Materials Co., Ltd.
Boron Nitride is a high-temperature ceramic that has a structure similar to graphite. Our portfolio of hot-pressed solid materials includes pure Hexagonal Boron Nitride as well as composites suitable for applications requiring excellent thermal properties combined with electrical isolation. Easy... [See More]
- Material Type: Aluminum Nitride; Boron Nitride
- Density: 1.5 to 1.6
from San Jose Delta Associates, Inc.
Boron nitride is offered in several grades each with unique materal properties. All however, are readily machinable; much like green (not sintered), alumina BN allows drilling, tapping, treads etc. without the need for diamond tools. Hot-Pressed Boron Nitride Shapes Hot-pressed BN is compacted at... [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Max Use Temperature: 850 to 2000
- Shape / Form: Custom Shape
- Thermal Conductivity: 11 to 130
from Aremco Products, Inc.
Halogen lamps, max temp is 1560 °F in an oxidizing atmosphere [See More]
- Material Type: Boron Nitride
- CTE: 3.60E6
- Max Use Temperature: 1482
- Applications: Abrasives, ceramics or glass manufacturing; Chemical or material processing; Corrosion resistant; HV / Electrical; Fiberoptics, Radiant Heaters, Temp Probe; Refractory or High Temperature Insulation
from Accuratus Corporation
Boron nitride is a white solid material in the as produced hot pressed form. It is a low porosity solid. It is easily machined into complex shapes using standard carbide tooling. The material is anisotropic in its electrical and mechanical properties due to the platy hexagonal crystals and their... [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
- Shape / Form: Custom Shape
from Umicore Metal Deposition Solutions
Specifications. Type. Liner. Material. Boron Nitride. Can be used in. Al. Fits. ESV 6/1 , ESV 4. Volume. 1.5 ccm [See More]
- Material Type: Boron Nitride; SpecialtyMaterial
from Xiamen Wintrustek Advanced Materials Co., Ltd.
Boron Nitride is a high-temperature ceramic that has a structure similar to graphite. Our portfolio of hot-pressed solid materials includes pure Hexagonal Boron Nitride as well as composites suitable for applications requiring excellent thermal properties combined with electrical isolation. Easy... [See More]
- Material Type: Aluminum Nitride; Boron Nitride
from Xiamen Wintrustek Advanced Materials Co., Ltd.
Boron Nitride is a non-toxic thermal and chemical refractory substance with high electrical resistance that is most usually found in the form of colorless crystals or white powder. It is a sophisticated synthetic ceramic material that is also known as "white graphene" or "inorganic graphite" because... [See More]
- Material Type: Boron Nitride
- Shape / Form: Spout; Powder, Grain or Grog