Product Description
Boron nitride ceramics — an advanced material known as “white graphene” — combine ultra-high-temperature resistance (up to 2000°C), high thermal conductivity, strong insulation, and excellent corrosion resistance. With both good machinability and outstanding chemical stability, they can be custom-manufactured into precision components for applications in electronics cooling, high-temperature metallurgy, aerospace, and more. They handle extreme working conditions with ease, making them an ideal material choice for high-end industrial upgrades.
Boron Nitride Ceramic Tubes Boron Nitride Ceramic Rods Boron Nitride Ceramic Plungers
Boron Nitride Ceramic Boron Nitride Ceramic
Protective Covers Structural Components
Six Core Advantages
Why Choose Us

Direct Manufacturer | Strict Material | Customization | Ready Stock | Fast Delivery | Considerate |
Functional Features
Excellent Thermal Stability
Boron nitride ceramics maintain structural integrity and stable performance in extremely high-temperature environments, suitable for high-temperature processes and special working conditions.
High Temperature Resistance
They perform exceptionally well under high heat, preserving structure and properties; ideal for high-temperature industrial applications.
Good Thermal Conductivity
BN ceramics conduct heat efficiently, making them excellent for high-temperature thermal management and thermal insulation applications.
Outstanding Chemical Stability
They offer strong resistance to many chemicals and solvents, withstanding acids, alkalis, and other corrosive substances—ideal for the chemical industry and corrosive environments.
High Machinability
BN ceramics can be cut, milled, ground, and machined into precise and complex shapes (sheets, blocks, tubes, etc.), making them suitable for high-precision applications.
Non-Magnetic and Rust-Free
They feature non-magnetic properties and do not rust, remaining unaffected by magnetic fields.
Product parameters
| Performance Parameters of Boron Nitride Ceramics | ||
| Property | Units | BNH |
| Purity | % | >99.5 |
| Other components | - | No |
| Density | g/cm³ | 1.95 ± 0.05 |
| Hardness | kg/mm² | 4 |
| Porosity | % | <15 |
| Flexural Strength | MPa | 22 |
| Coefficient of Thermal Expansion | 10⁻⁶/K | 1–1.2 |
| Thermal Conductivity at 25℃ | W/(m·K) | 50–70 |
| Max Operating Temp | In Air | 850℃ |
| In inert atmosphere | >2000℃ | |
| RT Resistivity | Ω·cm | >10¹⁴ |
| Note: Values may vary slightly and are for reference only. For exact specifications, please contact customer service. | ||
Machining Precision
Accuracy can be referenced in the table below. Actual accuracy depends on the actual product, material, shape,
and process requirements. For more details, please contact online customer service.
Hole Diameter Coaxiality Cylindricity Parallelism
0.003 mm 0.002 mm 0.003 mm 0.002 mm
Hole Depth Minimum Groove Width Surface Roughness Minimum Internal Thread
0.005 mm 0.2 mm Ra0.02 M3.0
Pricing Information
Prices are calculated by professional engineers.
Therefore, please contact our onlinecustomer service
Contact customer service and provide engineering drawings
(CAD, PDF, STP, PRT, IGS).
Price depends on quantity, materials,
structure, and process requirements.
Note: This is a non-standard customized product; displayed prices are not final.
Production Process
Powder Preparation | → | Mixing | → | Granulation |
↓ | ||||
Forming | ← | Green Body Inspection | ← | Sintering |
↓ | ||||
Semi-finished Inspection | → | Grinding | → | Final Inspection & Delivery |
Lead Time
Sample and mass production schedules follow order time.
For urgent orders, contact customer service to enter the custom process.
Customization Workflow
Drawing Inquiry Technical Evaluation Price Confirmation Contract Signing Production Inspection
Application Industries of Precision Ceramics
As a new material, precision ceramics have been widely used in various industries in recent years.

Photovoltaics | Chemicals | Textiles | Automobiles | Semiconductors |
Products We Can Offer
We provide one-stop precision ceramic machining and customization services.

| High-temperature insulation | Semiconductor industry | Silicon carbide ceramics | Zirconia ceramics |

| Silicon nitride ceramics | Ceramic fingers | Aluminum nitride ceramics | Ceramic rods |
Wholehearted Service for You
Buyer Notice
■ About Color Differences
All products are photographed in real life to reflect their true appearance. Slight variations may occur due to lighting or display settings.
The actual product color shall prevail.
■ About Shipping
All products undergo strict inspection before shipping. We ensure there are no quality issues before
dispatch and pack securely for safe delivery.
■ About the Products
Product images, prices, and case examples are for reference only. Specific requirements and quantities
will be evaluated to provide an accurate quotation.
■ About Lead Time
Samples: 3–7 days.
Mass production: 15–40 days depending on quantity.
If urgent use is required, we will fully cooperate—efficient, flexible, and able to ship early or in
batches to ensure uninterrupted production.












