Boron Nitride Gasket
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- High performance at a competitive price.
Boron Nitride Gasket: extreme-environment sealing. Stable to 1800°C (inert), thermal shock-resistant, chemically inert, non-stick, and insulating. No outgassing or contamination. Ideal for semiconductor, vacuum, high-temp reactor, and aerospace applications.NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality. Boron Nitride (BN) products, focuses on producing high-precision aluminum nitride silicon structural compenents through advanced technologies for diverse application fields.
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Boron Nitride Gasket Date Sheet
Material Grade: | Grade A, Grade AX05, Grade HP, M/M26, ZSBN, HMBN 1000, HMBN2000, HMBN3000, HMBN4000, HMBN5000, etc. |
Color: | White |
Melting Point: | 2937 ℃ |
Density | 1.9-2.2 g/cm3 |
Dielectric Constant: | 4.3 |
Boron Nitride Gasket Descriptions
Boron Nitride (BN) Gasket is a specialized sealing component engineered for extreme high-temperature and corrosive environments. Made from hexagonal boron nitride, this gasket offers exceptional thermal shock resistance, chemical inertness, and natural lubricity. It maintains structural integrity up to 1800°C in inert or vacuum atmospheres and provides excellent electrical insulation. Unlike conventional graphite or metal gaskets, BN gaskets are non-wetting to molten metals and glasses, prevent adhesion to flanges, and do not release contaminants or outgas. These properties make Boron Nitride Gaskets ideal for use in semiconductor processing furnaces, high-temperature vacuum systems, chemical reactors, and aerospace sealing applications.
Boron Nitride Gasket Advantages
- Excellent Thermal Shock Resistance – Withstands rapid temperature changes without cracking or deformation.
- Chemical Inertness – Resists corrosion from molten metals, acids, slags, and aggressive chemicals.
- Non-Stick / Non-Wetting Properties – Prevents adhesion to flanges and mating surfaces, enabling easy disassembly.
- Natural Lubricity – Reduces friction and prevents galling or damage to sealing surfaces.
- Excellent Electrical Insulation – Provides high dielectric strength, suitable for electrically sensitive systems.
- No Outgassing / High Purity – Does not release volatile contaminants, ideal for semiconductor and vacuum applications.
- Easy Machinability – Can be cut or machined into custom shapes, sizes, and thicknesses using standard tools.
- Low Thermal Conductivity – Acts as a thermal barrier in certain sealing applications.
- Long Service Life – Outperforms traditional graphite, ceramic, or metal gaskets in extreme environments, reducing replacement frequency.
Boron Nitride Gasket Applications
- Semiconductor Processing Furnaces – Seals high-temperature diffusion and CVD furnaces to prevent contamination and ensure process purity.
- High-Temperature Vacuum Systems – Used in vacuum chambers and feedthroughs where low outgassing and thermal stability are critical.
- Molten Metal Handling Equipment – Seals crucibles, ladles, and transfer pipes for aluminum, zinc, and magnesium without sticking.
- Aerospace and Rocket Engines – Provides reliable sealing in extreme thermal and chemical environments.
- Chemical Reactors – Seals reactors handling corrosive chemicals or high-temperature gases.
- Glass Manufacturing – Used in glass melting furnaces and forming equipment where non-wetting properties are essential.
- Heat Treating Furnaces – Seals furnace doors, windows, and thermocouple ports in high-temperature processing.
- Fuel Cells and High-Temperature Batteries – Serves as a sealing component in solid oxide fuel cells (SOFCs) and molten salt batteries.
- Nuclear Applications – Provides stable sealing in radiation-prone and high-temperature environments due to its chemical inertness.
- Laboratory and Research Equipment – Seals experimental high-pressure, high-temperature, or vacuum chambers.
Boron Nitride Gasket Packaging
Boron Nitride Gasket products are typically packaged in vacuum-sealed bags to prevent moisture or contamination, and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.
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- SAFETY DATA SHEET (SDS) -Boron Nitride Gasket
FAQ
What is a Boron Nitride Gasket used for?
A Boron Nitride Gasket is used for sealing in extreme high-temperature, corrosive, or vacuum environments, such as semiconductor furnaces, molten metal handling, and aerospace systems.
Why choose a Boron Nitride Gasket over graphite or metal gaskets?
Unlike graphite or metal gaskets, a Boron Nitride Gasket offers non-wetting properties, no outgassing, chemical inertness, and excellent electrical insulation, making it ideal for high-purity and high-temperature applications.
Does a Boron Nitride Gasket stick to flanges or mating surfaces?
No, a Boron Nitride Gasket has natural non-stick properties, preventing adhesion to flanges and allowing easy disassembly without damage to sealing surfaces.
What industries commonly use Boron Nitride Gaskets?
Boron Nitride Gaskets are widely used in semiconductor manufacturing, aerospace, glass processing, molten metal casting, chemical reactors, and high-temperature furnace industries.
How long does a Boron Nitride Gasket last compared to traditional gaskets?
A Boron Nitride Gasket typically lasts 2 to 5 times longer than traditional graphite or ceramic fiber gaskets in high-temperature corrosive environments due to its superior thermal shock resistance and chemical stability.
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