| Property* | Value |
|---|---|
| General | |
| Chemical Formula | BN |
| Mechanical | |
| 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 |
| Electrical | |
| Dielectric Strength | 950 ac V/mil |
| Dielectric Constant | 4.08 (@ 1 MHz) |
| Volume Resistivity | > 1014 ohm-cm |
| Thermal | |
| 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. Engineering data are representative, and are not intended as absolute nor warrantable. Manufacturer’s Data shown is blended from multiple sources and therefore illustrates the marketplace. | |
Many of the properties of Boron Nitride vary significantly with the grade of the material.
Wikipedia Reference for Boron Nitride
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