Chemical properties (BN)

99.99%

Apparent Density

2.10-2.19 g/cm3

^{Gas permeability (He)}

<1 x 10e-10 cc/s

Lattice constant

2.504×10e-10 μm (parallel)
6.692×10e-10 μm (perpendicular)

^{Tensile strength}

153.86 N/mm2 (parallel)

^{Bending strength}

243.63 N/mm2 (parallel)
197.76 N/mm2 (perpendicular)

^{Modulus of elasticity}

^{235690 N/mm2}

Thermal conductivity
200°C

0.6 W/cm.k (parallel)
0.026 W/cm.k (perpendicular)

^{Thermal conductivity
900°C}

0.4370 W/cm.k (parallel)
0.028 W/cm.k (perpendicular)

Actual Max
Temperature

^{2500 °C  (in vacuum)} 

Dielectric strength
(RT)

56 KV/mm

Volume resistivity

  3.11 x 10e13 ohm.cm