Dec 17 2009
Many of the properties of Boron Nitride vary significantly with the grade of the material.
Chemical Formula of Boron Nitride
The chemical formula of Boron Nitride is provided in the table below:
| Property |
Value* |
| Chemical Formula |
BN |
* All properties are at room temperature unless otherwise noted.
Mechanical Properties of Boron Nitride
The mechanical properties of Boron Nitride are mentioned in the table below:
| Property |
Value* |
| Density |
1.9-2.1 gm/cc |
| Hardness |
25-205 Knoop |
| Modulus of Elasticity |
9.4 x 106 psi |
| Flexural Strength |
11.2 kpsi |
| Compressive Strength |
45 kpsi |
| Poisson's Ratio |
0.05 |
* All properties are at room temperature unless otherwise noted.
Electrical Properties of Boron Nitride
The electrical properties of Boron Nitride are mentioned in the table below:
| Property |
Value* |
| Dielectric Strength |
950 ac V/mil |
| Dielectric Constant |
4.08(@ 1 MHz) |
| Volume Resistivity |
>1014 ohm-cm |
* All properties are at room temperature unless otherwise noted.
Thermal Properties of Boron Nitride
The thermal properties of Boron Nitride are mentioned in the table below:
| Property |
Value* |
| Coefficient of Thermal Expansion |
2.3-10 x 10-6/°C |
| Thermal Conductivity |
1.9-160 W/mK |
| Specific Heat |
0.14 cal/g°C |
| Maximum Working Temperature |
850-3000°C
Inert Atm |
* All properties are at room temperature unless otherwise noted.
About Insaco
Since 1947, Insaco has been synonymous with excellence in the development and production of high precision machined parts. As a custom fabricator of ceramic, glass, sapphire, and other hard materials, Insaco specializes in machining parts that often require tolerances measured in millionths of an inch, and wear properties that satisfy even the most demanding applications.
This information has been sourced, reviewed and adapted from materials provided by INSACO Inc.
For more information on this source, please visit INSACO Inc.