Boron Nitride Product BN-A grade
| Grade | BN-A | |
|---|---|---|
| Chemical Structure (BN%) | % | 99 |
| Other Components | no | |
| Density | g/cm3 | >2 |
| Hardness | HL | 300 |
| Flexural Strength | Mpa | 35 |
| Coefficient of Thermal Expansion (25°C ~ 1200°C) | (10-6/K) | -1~2.5 |
| Thermal Conductivity at 20°C | W/mk | 50 |
| MAX-Temperature of use | Oxidizing | 900°C |
| Vacuum | 1800°C | |
| Inert | 2200°C | |
| RT Resistivity | Ω.cm | >1014 |
BN-A grade products are made of high purity Boron Nitride powders without any binder. They can withstand extreme high temperature and maintain the purity of materials.
Typical Applications
- High purity BN crucibles for molten metal processing
- Crucibles and setter plate for Nitride phosphors, Silicon Nitride and Aluminum nitride firing
- Insulators and protective tubes for high-temperature furnaces
- Insulators for polysilicon furnace
