High Purity Boron Nitride Crucible
Specifications
high purity Boron nitride crucibleA boron nitride crucible,
suitable for the vaporization
of aluminum and other metal
high purity Boron nitride crucible
Specifications
A boron nitride crucible,
suitable for the vaporization
of aluminum and other metal
as for good thermal shock.
Boron Nitride main technical parameters | |
Melting point/°C |
3000(disintegrate) |
Operating temperature/°C |
900~1000(atmosphere),2800(N2) |
Density/g.cm-3 |
2.27 |
Hardness(Moh’s) |
2 |
Thermal conductivity/W.m-3.K-1 |
46.75~50.24 |
Coefficient of thermal expansion/10-6 °C-1 |
7.5 |
Breakdown voltage/kV.m-1 |
(3.0~4.0)×104 |
Dielectric constant(ε) |
4.0~4.3 |
Dielectric loss(tanδ)/10-4 |
2~8 |
Resistivity /Ω.m |
>1012 |
Bending strength(RT) |
>35mpa |
The compressive strength(RT) |
>200mpa |

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