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Formula: BN
Form: Rod
Material: Boron Nitride
CAS Number: 10043-11-5
Commodity: Ceramics
Production Method:
Hot Pressed
Our Boron Nitride Rods are an essential part of our extensive choice of rods. Featuring 31 distinct variations, they’re renowned for their exceptional thermal conductivity and electrical insulation properties. Properties that make these rods indispensable in semiconductor wafer handling and high-temperature furnace components, where effective heat dissipation and electrical insulation are paramount. With customizable options for diameter and length, our Boron Nitride Rods are tailored to meet the specific requirements of various applications across research and industry sectors.
Tolerances
Rod
| Diameter | +20% / -10% |
|---|
Material Properties for Ceramics
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( % ) | Feb-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 |
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