Boron Nitride Semi-Conductive Ceramics

Boron Nitride Semi-Conductive Ceramics
Normal Technical Parameter:
1. Volume density: (2.0-2.2)g/cm3
2. Thermal conductivity (room temperature): (45-50)w/m. K
3. Thermal expansion coefficient (25° C-700° C): (6.5-7.5) X10-6° C
4. Resistivity (room temperature): >1012
5. Breakdown voltage: (2.5-4.0)X106/kv. M
6. Mok's hardness: 2
7. Dielectric constant (E): 3.8-4.3
8. Bending strength (room temperature): >35mpa
9. The compressive strength (room temperature): >200mpa

Main characteristics
1. Easily merchantable to desirable shapes and size
2. Exceptional conductivity
3. High thermal conductivity
4. Excellent thermal shock resistance;
5. Outstanding electric insulation-even at high temperatures
6. High wet resistance to molten metals, slags and glass
7. Extreme corrosion and wear resistance

Typical Applications
1. Side dams in thin-strip casting process
2. Break rings in horizontal continuous casting
3. Insulators for high-temperature furnaces
4. Crucibles and containers for molten metals
5. Nozzles for metal atomization

We also can design and produce according to your custom size and spec modification request. Pls. Feel free to contact us if you have special application or special requirement.