Place of Origin: Guangdong, China
Material Introduction:
Boron nitride ceramic components are made from high-purity boron nitride (BN), a machinable advanced ceramic material known for high thermal stability, excellent electrical insulation, low friction, chemical inertness, and non-wetting behavior with many molten metals. Compared with many traditional refractory materials, BN ceramics are suitable for high-temperature insulation, furnace fixtures, molten metal handling, and precision industrial applications. For more material options, you can also view our boron nitride ceramic materials and precision ceramic components.
Key Features:
Excellent thermal shock resistance, reliable electrical insulation at elevated temperatures, good machinability, low coefficient of friction, chemical stability, and non-wetting performance against molten metals. Custom BN ceramic parts can be machined into rings, washers, sleeves, plates, crucibles, nozzles, spacers, and other drawing-based components. For high-precision shapes and tight tolerance parts, please refer to our precision ceramic machining capability.
Application Industries:
Widely used in semiconductor manufacturing, high-temperature furnace equipment, vacuum furnaces, metallurgy, molten metal processing, aerospace, electronics, chemical processing, thermal management systems, and advanced industrial equipment. BN ceramic components are especially suitable for applications requiring high-temperature insulation, thermal shock resistance, and non-wetting contact with molten metals.
Lead Time:
Normally 35–50 days for standard boron nitride ceramic components, and 55–75 days for complex customized designs depending on drawing structure, material grade, tolerance requirements, machining difficulty, and order quantity. For project evaluation or custom quotation, please contact CERAMPRO.
Boron nitride ceramic components are custom high-performance ceramic parts made from high-purity BN materials, commonly used in high-temperature furnaces, semiconductor equipment, molten metal handling, electronic insulation, and thermal management systems. With excellent heat resistance, electrical insulation, thermal shock resistance, low friction, and non-wetting behavior against molten metals such as aluminum, magnesium, and zinc, BN ceramic parts help solve insulation, sticking, release, and thermal shock problems in demanding environments.
Boron nitride ceramic is not a single fixed material. The right BN grade should be selected according to working temperature, atmosphere, purity requirement, part structure, and machining tolerance. CERAMPRO can provide different BN ceramic components based on customer drawings and application conditions.
| Material Type | Material Description | Suitable Applications |
|---|---|---|
| HPBN Hot-Pressed Boron Nitride |
Good machinability and suitable for CNC machining into complex shapes. It offers stable high-temperature performance, electrical insulation, thermal shock resistance, and low friction. | Furnace fixtures, insulators, spacers, sleeves, washers, ceramic rings, nozzles, and custom structural parts. |
| PBN Pyrolytic Boron Nitride |
High purity and dense structure, suitable for applications with stricter contamination control, thin-wall structure, and high-purity environments. | Semiconductor equipment parts, high-purity crucibles, evaporation boats, thermal control parts, and thin-wall ceramic components. |
For more boron nitride ceramic products, you can visit our Boron Nitride Ceramic category page.
BN ceramic parts are not usually selected for general wear applications. They are more commonly used in special environments that require high-temperature resistance, electrical insulation, thermal shock resistance, or contact with molten metals.
If your project is related to semiconductor equipment or high-purity process applications, you can also view our Semiconductor Ceramic Parts.
CERAMPRO supports custom boron nitride ceramic components based on drawings or samples. We can help evaluate whether HPBN, PBN, or another ceramic material is more suitable according to the part’s working temperature, atmosphere, structure, tolerance requirement, and application environment.
For tight-tolerance or complex ceramic components, you can learn more about our Precision Ceramic Machining Capability.
The following values are typical references for BN ceramic materials. Actual performance may vary depending on material grade, purity, density, processing method, part size, and working atmosphere. For specific projects, we recommend confirming the data based on drawings and real operating conditions.
| Parameter | Technical Indicator | Practical Meaning |
|---|---|---|
| Material Types | HPBN / PBN | HPBN is suitable for structural machined parts; PBN is suitable for high-purity and thin-wall applications. |
| Max Service Temperature | Approx. 1800°C in vacuum / approx. 2100°C in inert atmosphere | Suitable for high-temperature furnaces, vacuum furnaces, and controlled atmosphere equipment. |
| Thermal Conductivity | 30–100 W/(m·K) | Helps conduct heat and reduce localized thermal stress. |
| Dielectric Strength | 25–40 kV/mm | Suitable for applications that still require electrical insulation at high temperatures. |
| Thermal Expansion | 0.5–4.0 × 10-6/K | Low thermal expansion helps maintain dimensional stability during thermal cycling. |
| Coefficient of Friction | 0.2–0.3 | Low friction helps reduce sticking, seizing, and part adhesion. |
| Machinability | Excellent | Can be turned, milled, drilled, and machined into complex custom shapes. |
| Wettability | Non-wetting | Helps reduce adhesion of molten aluminum, magnesium, zinc, glass, and similar materials. |
The main advantage of boron nitride ceramic is not the highest strength or strongest wear resistance. Its value lies in high-temperature insulation, thermal shock resistance, non-wetting behavior with molten metals, and good machinability. Because of this, BN is often compared with alumina, aluminum nitride, silicon carbide, and graphite during material selection.
| Material | Main Advantages | What to Consider | Suitable Applications |
|---|---|---|---|
| Boron Nitride Ceramic | High-temperature insulation, non-wetting, low friction, thermal shock resistance, good machinability | Mechanical strength is usually lower than some structural ceramics | Furnace parts, molten metal contact parts, semiconductor insulators, high-temperature fixtures. |
| Alumina Ceramic | Wear resistance, electrical insulation, cost-effective, widely used | Non-wetting behavior and machinability are not as strong as BN | General insulators, wear parts, ceramic tubes, sleeves, and structural components. |
| Aluminum Nitride Ceramic | High thermal conductivity and electrical insulation | Higher processing cost and more sensitive machining requirements | Heat dissipation substrates, electronic thermal management parts, semiconductor-related components. |
| Silicon Carbide Ceramic | Wear resistance, corrosion resistance, and high-temperature strength | More difficult to machine into complex shapes | Seals, nozzles, pump parts, severe wear and corrosion environments. |
| Graphite | Good thermal shock resistance and easy machining | Electrically conductive and can be affected by oxidation | High-temperature applications where electrical insulation is not required and oxidation risk is controlled. |
If you are not sure whether BN, alumina, aluminum nitride, or silicon carbide is the better choice, CERAMPRO can make an initial evaluation based on working temperature, atmosphere, insulation requirement, part structure, and cost target. You can also view our Precision Ceramic Components for more custom ceramic part options.
Boron nitride ceramic components are high-performance ceramic parts made from BN materials. They are commonly used in high-temperature, electrical insulation, molten metal, semiconductor equipment, furnace, and thermal management applications.
HPBN is hot-pressed boron nitride with good machinability, suitable for structural custom parts. PBN is pyrolytic boron nitride with higher purity, often used in semiconductor, high-purity thermal control, and thin-wall applications.
Yes. HPBN has good machinability and can be turned, milled, drilled, and processed into sleeves, ceramic rings, washers, nozzles, crucibles, and custom-shaped parts.
Depending on material grade and working atmosphere, BN ceramic is commonly used in high-temperature conditions around 1800°C in vacuum and around 2100°C in inert atmosphere. The actual limit should be confirmed according to the specific environment.
No. Boron nitride ceramic is an excellent electrical insulator, especially suitable for equipment and process environments that require insulation at elevated temperatures.
BN ceramic has good non-wetting behavior with molten aluminum, magnesium, zinc, glass, and similar materials. This helps reduce sticking, contamination, and release problems.
For general heavy-wear applications, alumina, zirconia, or silicon carbide may be more suitable. BN ceramic is better used for high-temperature insulation, thermal shock resistance, non-wetting with molten metals, and low-friction applications.
We can customize BN ceramic sleeves, tubes, rods, ceramic rings, washers, plates, nozzles, crucibles, spacers, insulators, and special-shaped structural parts according to drawings or samples.
Please provide drawings, dimensions, tolerance requirements, material requirements, working temperature, atmosphere, contact media, quantity, and application details. If a complete drawing is not available, sample photos and key dimensions can also help.
Yes. We can review your application, drawing structure, temperature, atmosphere, and insulation requirements to help determine whether BN is suitable and suggest a practical machining solution.
If you are looking for boron nitride ceramic parts for high-temperature insulation, molten metal handling, semiconductor equipment, or furnace applications, you can send your drawing, sample, or working conditions to CERAMPRO. We will help evaluate the material, structure, and machining solution based on your real application.
Contact CERAMPRO for custom boron nitride ceramic components:
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