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Boron nitride can be used long-term at 1800 °C under a vacuum atmosphere. With gas protection, Boron Nitride can be used at 2100°. Boron Nitride has high thermal shock resistance, no cracks under extreme cold & high temperature. If you take out Boron Nitride from a 1000-degree furnace and cool it within a short time. It still won't break even; repeat this test 100 times.
Material Properties
* High thermal conductivity
* Excellent thermal shock resistance
* Low thermal expansion
* Exceptional heat resistance
* Good Chemical Inertness
* High electrical resistance
* Low dielectric constant and loss tangent
* High volume resistivity
* Excellent machinability
Grades 5 and 6 of boron nitrides are involved in the Boron Nitride product series.
* BN99 CABN ALBN ZRBN ZABN SB
Applications
1. Electronic parts - heat sinks, substrates, coil forms, prototypes
2. Vacuum melting crucibles
3. CVD crucibles
4. Microcircuit packaging
5. Sputtering targets
6. High precision sealing, brazing, and metallizing fixtures
7. Microwave tubes
8. Horizontal caster break rings
9. Low-friction seals
10. Plasma arc insulators
11. High temperature furnace fixtures and supports
Boron Nitride Properties
