BN
( Boron Nitride )
Products Summary
- · BN is made by hot pressing production method.
- · The way of press determines characteristic of bulk condition, and BN Solid has directional properties.
Main Features
- · Excellent electric insulation property at high and low temperature
- · High thermal conductivity
- · Strong on thermal shock
- · Easy to machine complex components due to high machinability
- · High lubricity
BN Products
- · Crucibles
- · Machined plate products
- · Tube
- · Insulators
- · Nozzles
- · Etc
PBN Products’ Usage
- · Insulator at high temperature
- · Insulator and Setter at Ion Implanters
- · Steel Powder Atomizing Nozzle
- · Stopper for Continuous Casting
| Property | A | B | |||
| II | ┴ | II | ┴ | ||
| Purity | >99% | >95% | |||
| Density (g/cc min) | 1.9 | >2 | |||
| Hardness (Knoop) Kg/mm²) | 4 | 16 | |||
| Flexural Strength (Mpa) | 22 | 21 | 59 | 45 | |
| Thermal Conductivity at 25℃ (W/mK) | 78 | 130 | 27 | 29 | |
| C · T · E (10-6) | 800 - 1200℃ | 1.6 | 0.4 | 1.5 | 0.9 |
| 1200 - 1600℃ | 0.9 | 0.3 | 2.8 | 2.7 | |
| 1600 - 1900℃ | 0.5 | 0.9 | |||
| Max. Temp | Ocidizing | 850℃ | 850℃ | ||
| Inert | 2000℃ | 1150℃ | |||
| RT Resistivity (ohm cm) | >10^13 | >10^14 | >10^13 | >10^13 | |