Why Use Hot-Pressed Boron Nitride? Superior Choice for High-Temperature Vacuum Furnaces

High-temperature vacuum furnaces require the materials to provide reliable thermal properties, electrical insulation, contamination-free conditions, and dimensional stability under extreme conditions. Innovacera’s Hot-Pressed Boron Nitride (hBN) Components are designed for such extreme environments, which can provide stable performance in high-temperature, vacuum, and inert-gas applications where other materials lose stability. At the same time, our precision-machined Boron Nitride Ceramics components can minimize failures and furnace downtime, maintaining stable production even under rapid heating and cooling cycles.

Here are Innovacera’s BN Grades:

Pure Boron Nitride: Commonly used for insulators and vacuum furnace components due to their exceptional thermal and chemical stability, electrical insulation properties, and ability to perform in extreme environments. Standardized Grades: UHB and HB

Boron Nitride Composites: By combining boron nitride with specific ceramics like aluminum nitride or zirconia, the composite materials with excellent electrical insulation properties and also demonstrate improved durability and extended service life in contamination-sensitive applications. Standardized Grades: Specific grades like BMS, BMA, BSC, BMZ, BAN, and BSN.

Here are some Innovacera’s Key Components for High Temperature Vacuum Furnaces:

1. Crucibles and Containers: Used for melting metals and high-purity materials due to their non-wetting characteristics, and will not contaminate the molten material. For example, aluminum, copper, zinc, glass, etc.
2. Insulation and Fixtures: High-temperature insulators, standoff insulators, and electrical insulating supports for furnace elements.
3. PVD/CVD Processing: Target frames, shields, and liners in vacuum coating systems.
4. Furnace Parts: Setter, rods, and tubes that require high structural stability and thermal shock resistance.

Why Hot-Pressed Boron Nitride Components were used for High-Temperature Vacuum Furnaces?

• High-Temperature Stability: Stable performance at temperatures above 1800°C in vacuum, inert, or reducing atmospheres.
• Thermal Shock Resistance: A lower coefficient of thermal expansion that can withstand rapid thermal cycling without cracking or deformation.
• High resistivity and dielectric strength: it provides electrical insulation at high temperatures.
• High Purity and Chemical Inertness: It supports clean and contamination-free conditions. So it is an ideal material for supporting and isolating heating elements such as metal, battery, and ceramic parts.
• Excellent Machinability and Design Flexibility: Innovacera can be precision-machined into complex, high-precision shapes, and hBN enables maximum design freedom.

Innovacera can provide customized solutions for different high-temperature needs. For more selecting guides, welcome to contact our sales engineers at sales@innovacera.com