What is Boron Nitride Ceramic? | Properties, Uses in Semiconductor & Metallurgy

Product Description

Boron Nitride (BN) Ceramics represent a class of advanced engineering materials manufactured from high-purity hexagonal boron nitride (h-BN) powders through specialized sintering processes. With exceptional thermal stability in temperatures up to 2300°C in inert atmospheres and a theoretical maximum of 3000°C, these ceramics deliver outstanding thermal conductivity, remarkable dielectric strength, and excellent chemical inertness - making them the material of choice for demanding thermal management and high-performance insulation applications across high-tech industries.

Key Properties & Performance Advantages

• Extreme Temperature Capability: Operational up to 2300°C in inert environments with exceptional thermal shock resistance

• Superior Thermal Management: High thermal conductivity coupled with excellent electrical insulation properties

• Exceptional Chemical Stability: Resists wetting by molten metals and maintains performance in corrosive environments

• Advanced Mechanical Properties: Second only to diamond in hardness with low friction coefficient and self-lubricating characteristics

• Microwave Transparency: Unique dielectric properties enable transmission of electromagnetic waves

Primary Industrial Applications

Semiconductor & Electronics Manufacturing

• Heating elements and insulation components for crystal growth systems

• Substrates and heat spreaders for high-power electronic devices

• Wafer processing fixtures and diffusion source holders

Advanced Metallurgy & Materials Processing

• Crucibles, break rings, and containers for molten metal handling

• Continuous casting nozzles and thermocouple protection tubes

• High-temperature furnace components and insulation systems

Aerospace & Defense Technologies

• Radar-transparent radomes and antenna windows

• Rocket engine components and thermal protection systems

• Microwave communication components and waveguides

Industrial Manufacturing & Biomedical

• High-temperature bearings, seals, and valve components

• Cutting tools and ceramic inserts for machining applications

• Biomedical implants utilizing exceptional biocompatibility