Features of Boron Nitride Ceramic
- Key features of boron nitride ceramic.
- Retains shape when thermally cycled, minimizing thermal stress hazards.
- Offers superior dielectric strength and resistivity—ideal for electronic systems.
- Chemically inert, even in contact with molten metals or harsh acids.
- Easily shaped with conventional tools, making complex shapes with close tolerances.
Boron Nitride Ceramic Solutions
Boron Nitride ceramics provide excellent thermal shock resistance and low thermal expansion, which makes them perfectly suited for demanding metallurgical and electronic applications. They accommodate performance and strength in terms of sudden changes in temperature.

Boron Nitride Ceramic Products
Newthink provides custom boron nitride ceramic tailored to your specifications with high purity, precise machining, and stable performance.
For high-temperature melting with excellent chemical resistance.


Boron Nitride Ceramic Applications
Boron Nitride Ceramic is used in a wide range of industries where there is a need for high thermal conductivity, high electrical insulation, and good chemical resistance.
- High-Temperature Furnace Insulation
Boron nitride ceramics are used as insulators of furnaces at high temperatures.
- Electrical Insulators
Hexagonal boron nitride is suitable to act as a vacuum environment insulator.
- Components of Semi-conductor Manufacturing Equipment
Pyrolytic boron nitride is used in semiconductor manufacturing equipment.
- Molten Metal Processing Equipment
Boron nitride ceramics are used in crucibles and metal processing nozzles.
- Cutting tools and abrasive components
Boron nitride ceramics are applied in high-speed cutting tools and abrasives.
- Aerospace Structural Parts
Boron nitride ceramics are employed in components like heat shields and thermal insulation.
Why Choose Newthink Boron Nitride Ceramic?
Choosing Newthink means choosing stable quality, for we deliver exactly what you need.

We specialize in custom designing boron nitride ceramic parts to your specifications to deliver maximum performance for your particular applications.

Our advanced machining capability allows the production of complex boron nitride ceramic geometries with tight tolerances at reduced cost and lead times.

We provide boron nitride ceramics with purity in excess of 99.9%, enabling the lowest possible risk of contamination in highly sensitive applications like semiconductor processing.

We offer flexible production volumes, from small batches to large-scale manufacturing, accommodating projects of all sizes.
Boron Nitride Ceramic Manufacturing Facility
Newthink has 14 years of experience in advanced ceramic production. Our factory utilizes state-of-the-art hot-pressing and vacuum sintering technology to produce high-purity boron nitride ceramic with superior thermal and electric performance. We possess CNC machining centers to ensure demanding tolerances. Our plates are foam-lined and vacuum-packaged for safe international shipment.


Economic Benefits of Boron Nitride Ceramics
Boron nitride ceramics deliver significant cost-saving benefits by boosting equipment longevity, minimizing maintenance downtime, and enhancing thermal efficiency in high-heat, precision-driven environments. Their high machinability lowers secondary processing costs, whereas their chemical inertness lowers material replacement for corrosive applications. All these make boron nitride ceramic a cost-saving alternative for applications in semiconductors, aerospace, metallurgy, and vacuum systems.
Boron Nitride Ceramic Specifications
- Properties
- Typical Applications
Property | Value | Remarks |
Density | h-BN: ~2.1 g/cm³; c-BN: ~3.48 g/cm³ | Lightweight for h-BN, denser for c-BN due to the cubic structure |
Thermal Conductivity | h-BN: up to 60 W/m·K; c-BN: up to 740 W/m·K | High heat dissipation, c-BN is suitable for extreme conditions |
Electrical Resistivity | >10¹⁵ Ω·cm | Excellent insulator for electronic applications |
Dielectric Strength | ~54 kV/mm | Suitable for high-voltage insulation |
Thermal Expansion Coefficient | ~0.54 × 10⁻⁶ /K | Ensures dimensional stability during temperature changes |
Maximum Service Temperature (Inert Atmosphere) | Up to 2000°C | Suitable for high-temperature vacuum applications |
Maximum Service Temperature (Air) | Up to 900°C | Requires a protective atmosphere above 900°C |
Chemical Inertness | Resistant to most acids, alkalis, and molten metals; does not react easily, ensuring material stability in corrosive environments. | |
Oxidation Resistance | Stable in oxidative environments up to 900°C; above this, protective atmospheres are recommended. | |
Non-Wettability | Does not wet with molten metals, making it ideal for crucibles and molds in metal processing. | |
Moisture Resistance | Exhibits high resistance to moisture, preventing degradation in humid conditions. |
Industry | Application | Benefits |
Semiconductor | Wafer carriers, insulators, heat spreaders | High thermal conductivity and electrical insulation ensure device performance and longevity. |
Aerospace | Thermal protection systems, insulative components | Lightweight and thermal stability contribute to efficient thermal management. |
Metallurgy | Crucibles, molds, liners | Chemical inertness and non-wettability enhance material purity and equipment lifespan. |
Vacuum Systems | Insulators, structural components | Low outgassing and stability in high vacuum environments. |
Electronics | Substrates, heat sinks, insulating components | Electrical insulation and thermal management improve device reliability. |
Chemical Processing | Reactor linings, insulating supports | Resistance to corrosive chemicals ensures durability and safety. |
Related Products
- Boron Nitride Disk
A machinable, corrosion-resistant ceramic disk suitable for applications in high-temperature and vacuum environments.
- Boron Nitride Sputtering Target
Designed for thin-film deposition processes for semiconductor and optical applications.
- Pyrolytic Boron Nitride Crucible
Ideal for crystal growth and high-temperature processing.
Boron nitride ceramic is a specially constructed material with a great balance of thermal conductivity, electrical insulation, and chemical resistance. These properties make it especially suited to difficult applications like high-voltage or high-temperature systems.
In fact, boron nitride ceramics are very effective as electrical insulators, even under vacuum and high temperature. Their low dielectric constant and excellent dielectric strength make them a good choice for most electronic and electrical applications.
Boron nitride ceramic has uses in electronics as heat sinks for LEDs and CPUs, insulating substrates, and components in the production of semiconductor chips.
Unlike alumina, boron nitride has better machinability and thermal shock resistance. Compared to graphite, BN has better electrical insulation with good thermal conductivity.
Hexagonal boron nitride (hBN) is similar to graphite, soft and stable, and is used as a lubricant and cosmetic additive. Cubic boron nitride (cBN) is diamond-like in form and the second hardest substance. Newthink does not supply cubic boron nitride.