Boron Nitride Blank

boron nitride blank

Boron Nitride Blank

Boron Nitride Blank is a high-performance h-BN stock for custom-machined parts (nozzles, gaskets, insulators). Stable to 1800°C (inert), thermal shock-resistant, non-wetting, electrically insulating, and chemically inert. Easy to machine. Ideal for semiconductor, aerospace, and high-temp 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.

Boron Nitride Blank 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 Blank Descriptions

Boron Nitride Blank is a high-purity, machinable ceramic stock material engineered for extreme thermal and chemical environments. Manufactured from hexagonal boron nitride (hBN), these blanks provide exceptional thermal stability up to 1800°C in inert or vacuum atmospheres, along with outstanding resistance to thermal shock. The material is inherently non-wetting to molten metals and glasses, preventing adhesion and corrosion. It also serves as an excellent electrical insulator and remains chemically inert against most acids, alkalis, and slags. Boron Nitride Blanks are supplied in various sizes (rods, plates, or custom blocks) and can be easily machined using standard carbide or high-speed steel tools into complex, precision components without the need for diamond grinding or post-firing. Typical fabricated parts include crucibles, nozzles, gaskets, insulators, and furnace fixtures for semiconductor processing, aerospace, metallurgy, and high-temperature research.

boron nitride blank2

Boron Nitride Blank Advantages

  • High Temperature Resistance – Withstands continuous operation up to 1800°C in inert or vacuum atmospheres.
  • Excellent Thermal Shock Resistance – Survives rapid temperature changes without cracking or spalling.
  • Non-Wetting Properties – Molten metals (e.g., aluminum, zinc, copper) and glasses do not adhere to the surface.
  • Chemical Inertness – Resists corrosion from most acids, alkalis, slags, and molten materials.
  • Electrical Insulation – Provides high dielectric strength, ideal for electronic and plasma applications.
  • Easy Machinability – Can be cut, drilled, and shaped using standard carbide or HSS tools without diamond grinding or post-sintering.
  • Low Thermal Conductivity – Acts as a thermal barrier in certain high-temperature setups.
  • High Purity & Low Outgassing – Releases minimal volatiles, suitable for semiconductor and vacuum environments.
  • Natural Lubricity – Reduces friction during machining and final part operation.
  • Versatile Sizing – Available as rods, plates, or custom blocks to meet various fabrication needs.

Boron Nitride Blank Applications

  • Semiconductor Manufacturing – Machined into furnace components, insulators, and wafer handling parts for high-temperature CVD and diffusion processes.
  • High-Temperature Furnaces – Fabricated into heating element supports, thermocouple sheaths, and radiation shields.
  • Molten Metal Processing – Custom-machined into crucibles, nozzles, ladles, and sliders for aluminum, zinc, and magnesium casting.
  • Aerospace & Defense – Used for rocket nozzle inserts, plasma thruster components, and high-temperature seals.
  • Glass Manufacturing – Formed into shaping tools, rollers, and guides that resist sticking to molten glass.
  • Vacuum Systems – Machined into feedthrough insulators and chamber components requiring low outgassing.
  • Electrical Insulation – Fabricated into spark plug insulators, high-voltage standoffs, and plasma system components.
  • Chemical Processing – Custom parts for reactors handling corrosive gases or molten salts.
  • Research & Development – Used as blank stock for prototyping custom labware in high-temperature experiments.
  • Metal Powder Production – Machined into gas atomization nozzles for producing fine metal powders.
telecommunication applications
high temperature gas filtration
thermal spraying hm
electronic packaging material hm

Boron Nitride Blank Packaging

Boron Nitride Blank 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 Blank used for?

A Boron Nitride Blank is used as stock material for machining custom high-temperature components such as crucibles, nozzles, gaskets, insulators, and furnace fixtures.

A Boron Nitride Blank can withstand continuous operation up to 1800°C in inert or vacuum atmospheres, and up to 850°C in oxidizing environments.

A Boron Nitride Blank offers non-wetting properties to molten metals, no outgassing, chemical inertness, and excellent electrical insulation, unlike graphite which can oxidize and contaminate sensitive processes.

Yes, a Boron Nitride Blank is ideal for high and ultra-high vacuum systems because it has extremely low outgassing and maintains structural integrity at high temperatures.

Parts machined from a Boron Nitride Blank typically last 2 to 5 times longer than those made from graphite or ceramic fiber in high-temperature corrosive environments due to superior thermal shock resistance and chemical stability.

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