Images are for guidance only and might not represent the final product.

Boron Nitride Rod

Available Configurations

Properties common to all products in this list

Composition: BN Form: Rod Material: Boron Nitride CAS Number: 10043-11-5 Commodity: Ceramics Production Method: Hot Pressed
Boron Nitride Rod stands out for its excellent thermal conductivity, chemical inertness, and exceptional electrical insulation. Boron Nitride (BN) offers a wide bandgap (~5.9 eV), high thermal stability, and resistance to oxidation and chemical attack. It is extensively used in high-temperature and chemically aggressive environments, making it indispensable in industries such as aerospace, electronics, and metallurgy. Specific applications include usage as thermal interface materials, electrically insulating components in semiconductors, and as fillers in polymer composites for heat dissipation. Boron nitride rods also find use in dielectric substrates for high-frequency electronics and as protective coatings against corrosion and wear. In scientific research, their role as substrates for 2D materials and their neutron absorption capacity make them vital in advanced device fabrication and radiation shielding. Their combination of thermal, mechanical, and electrical properties underpins their industrial and scientific value, enabling next-generation thermal management systems and high-performance electronics.
Starting at $391.00 each
No Minimum order Free technical support *Free delivery worldwide

Material Properties

Chemical Resistance
Element Value
Acids - concentrated Fair
Acids - dilute Fair
Alkalis Fair
Halogens Poor
Metals Good
Electrical Properties
Element Value
Dielectric constant 4.3
Dielectric strength( kV mm⁻¹ ) 40-200
Volume resistivity( Ohmcm ) 10¹¹-10¹⁴@25
Physical Properties
Element Value
Apparent porosity( % ) 2-15
Density( gcm⁻³ ) 1.9-2.2
Thermal Properties
Element Value
Sublimation point( C ) 2600-2800
Upper continuous use temperature( C ) 950-2500
Specific heat( J K⁻¹ kg⁻¹ ) 800-2000@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 15-50@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 1-36@20-1000°C
Mechanical Properties
Element Value
Tensile modulus( GPa ) 20-35
Shear strength( MPa ) Dec-25
Pultrusions
Element Value
Compressive strength( MPa ) 30-120
each

Choose Your Options

Close

Available Configurations

Properties common to all products in this list

Composition: BN Form: Rod Material: Boron Nitride CAS Number: 10043-11-5 Commodity: Ceramics Production Method: Hot Pressed

We are collecting your products, please wait!...

Shipping restrictions and charges may apply for some hazardous materials.

Tolerances

Rod
Diameter +20% / -10%
Length <100mm ±1mm
Length >=100mm +5 / -1%