Boron Nitride Plate/Sheet/Disc

boron nitride platesheetdisc

Boron Nitride Plate/Sheet/Disc

High-purity Boron Nitride Plate/Sheet/Disc: thermal conductivity + electrical insulation. Stable to 850°C (air), thermal shock-resistant, non-wetting to molten metals. Easily machined. Used in furnace insulation, plasma etching, molten metal handling, and semiconductor processing.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.

Boron Nitride Plate/Sheet/Disc Data 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 Plate/Sheet/Disc Descriptions

Precision-engineered from high-purity hexagonal boron nitride (h-BN), our plates, sheets, and discs combine excellent thermal conductivity with superior electrical insulation. They offer outstanding high-temperature stability (up to 850°C in air), thermal shock resistance, chemical inertness, and non-wetting properties against molten metals and glasses. Easily machinable into custom shapes, these products are ideal for semiconductor processing, high-temperature furnace fixtures, plasma etching masks, molten metal handling, heat sinks, and microwave transparent windows. Available in plates, thin sheets, and precision-cut discs to suit diverse industrial applications.

boron nitride disc
boron nitride plate
boron nitride sheet

Boron Nitride Plate/Sheet/Disc Advantages

  • High Thermal Conductivity
    Efficiently dissipates heat, preventing hot spots and thermal damage.
  • Excellent Electrical Insulation
    Provides superior dielectric strength, ideal for high-voltage and high-frequency applications.
  • Outstanding High-Temperature Stability
    Operates reliably up to 850°C in air and even higher in inert or vacuum environments.
  • Exceptional Thermal Shock Resistance
    Withstands rapid temperature changes without cracking or degrading.
  • Chemical Inertness
    Resists most acids, alkalis, and molten materials (metals, slags, glasses), ensuring contamination-free performance.
  • Non-Wetting Properties
    Does not adhere to molten metals or glasses, making it ideal for casting and handling applications.
  • Easy Machinability
    Can be precisely cut, drilled, or shaped into complex geometries using standard tools.
  • Low Dielectric Constant & Loss Tangent
    Suitable for microwave, RF, and high-frequency transparent windows.
  • Low Thermal Expansion
    Maintains dimensional stability under extreme temperature changes.
  • Versatile Formats
    Available as plates, thin sheets, or precision discs to meet diverse industrial needs.

Boron Nitride Plate/Sheet/Disc Applications

  • Plasma etching and ion implantation masks for semiconductor manufacturing.
  • High-temperature furnace insulation shields and heating element supports.
  • Molten metal handling components such as nozzles, crucibles, and thermocouple protection tubes.
  • Heat sinks with electrical insulation for power electronics and high-frequency devices.
  • Sputtering targets and backing plates in thin-film deposition systems.
  • Microwave and RF transparent windows for radar and communication systems.
  • Thermal management components in aerospace and defense applications, including rocket nozzles.
  • High-temperature sample holders and crucibles for laboratory thermal analysis (TGA/DSC).
  • Laser diode heat spreaders and optical insulation mounts.
  • Brazing and soldering fixtures as well as high-temperature gaskets and seals.
electric and electrical equipments
high temperatuer furnaces applications hm
semiconductor applications hm
aerospace applications

Boron Nitride Packaging

Boron Nitride  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.

packaging

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FAQ

What is a Boron Nitride Plate / Sheet / Disc?

A Boron Nitride plate/sheet/disc is a high-performance ceramic product made from hexagonal boron nitride (h-BN), offering both high thermal conductivity and excellent electrical insulation.

Key properties include high-temperature stability (up to 850°C in air), thermal shock resistance, chemical inertness, non-wetting to most molten metals, and easy machinability.

Yes, Boron Nitride plate/sheet/disc can be easily machined into custom shapes using standard tools.

Common applications include plasma etching masks, high-temperature furnace insulation, molten metal nozzles, electronic heat sinks, and microwave windows.

No, it does not react with or wet molten aluminum, making it ideal for non-ferrous metal casting and handling components.

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