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Boron nitride products
Affiliate classification：
Boron nitride products
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Details
|
Item/Grade
|
BNH
|
BNC
|
BNP
|
|
|
BNPurity
|
>99.5%
|
composite
|
>96
|
|
|
Density
|
1.9±0.5
|
2.95
|
2.0
|
|
|
Max operating
Temperature |
850 in atmosphere
|
1000℃
|
850℃
|
|
|
2200 in inert gas
|
2000℃
|
1150-1800℃
|
||
|
Hardness
|
4
|
105
|
16
|
|
|
flexural strength
|
3000Psi
|
21000Psi
|
9800Psi
|
|
|
Heat conductivity
|
63W/mk
|
38
|
55
|
|
|
coefficient thermal expansion
|
0.6(x10-6/K)
RT-1500℃ |
3.5(x10-6/K)
RT-1500℃ |
4.0(x10-6/K)
RT-1500℃ |
|
|
volume resistance
|
>1015(Ωcm)
|
-
|
>1015(Ωcm)
|
|
|
Composite
|
Oxygen(%)
|
<0.4
|
<14
|
<2.0
|
|
Carbon
|
0.02
|
2.0
|
0.02
|
|
| Calcium | 0.04 | 0.02 | 2 | |
| B2O3 | 0.2 | 1.0 | 0.4 | |
| Zr | - | 30 | - | |
| Si | - | 4.5 |
- |
|
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