High Purity Boron Nitride Ceramic
High-Purity Boron Nitride Ceramic Products – 99.7% Purity, High-Temperature Resistant
Our boron nitride ceramic products are engineered for high-performance industrial applications, offering exceptional purity levels exceeding 99.7%. Through advanced purification processes—including impurity removal and deoxidation—our BN ceramics deliver superior quality, chemical stability, and operational reliability.
Key Benefits:
BN Disc
Non-stick and contamination-free surface
Extended service life under extreme conditions
Maximum operating temperature of up to 2100°C in an inert atmosphere
Excellent thermal shock resistance – handles rapid temperature changes
Resistant to carbon corrosion and chemical attack
Ideal Applications:
These high-purity BN ceramics are widely used in:
Sintering and melting of alloys
Aluminum nitride (AlN) and silicon nitride (Si₃N₄) substrates
Transparent ceramics production
Aluminum nitride powder processing
Rare earth material handling
Custom Sizes Available:
We offer customizable high purity boron nitride ceramics with a maximum processable size of 480mm × 480mm × 140mm, suitable for large-format applications.
Performance of Boron Nitride ceramic
| Physical Property | |||
| Item | Units | BN99, >99.3% | BN997, >99.7% |
| Color | White | White | |
| Density | g/cm3 | 2 | 1.6 |
| Mechanical properties | |||
| Mohs hardness | 2 | 2 | |
| Flexural strength | MPa | 35 | 20 |
| Thermal properties | |||
| Maximum Use Temperature | in Air | 900℃ | 900℃ |
| in Vacuum | 1800℃ | 1800℃ | |
| In Insert | 2100℃ | 2100℃ | |
| Thermal Conductivity (20℃) | W/(m·K) | 40 | 50 |
| Thermal Expansion Coefficient (20℃-1000℃) | 10-6/K | 2 | -0.5 |
| Electrical properties | |||
| Volume Resistivity | Ω.cm | >10^14 | >10^14 |
Packing
Our High Purity Boron Nitride Ceramic is always carefully treated to prevent damage during storage and transportation and to maintain the quality of the product.