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PBN properties:
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PBN PROPERTIES |
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Properties |
Direction |
Temperature |
Value |
Unit |
|
Density |
|
RT |
2.00-2.20 |
g/cm3 |
|
Sublimation Point |
|
|
3000 |
℃ |
|
Oxidation Rate |
|
800℃ |
Negligible |
mg/cm2.min |
|
1000℃ |
1.1 |
|
Specific Heat |
"a" |
RT |
0.23 |
cal/g.℃ |
|
600℃ |
0.42 |
|
Conductivity |
"a" |
RT |
92.1 |
W/m.K |
|
600℃ |
63.6 |
|
"c" |
RT |
2.1 |
|
600℃ |
3.1 |
|
Total Expansion |
"a" |
500℃ |
0.0008 |
mm/mm |
|
1000℃ |
0.0015 |
|
"c" |
1000℃ |
0.022 |
|
Tensile Strength |
"a" |
RT |
58 |
Mpa |
|
Compressive Strength |
"c" |
RT |
244 |
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Bend Strength |
"a" |
RT |
101 |
|
Young's Modulus |
"a" |
RT |
25 |
Gpa |
|
Resistivity |
"a" |
800℃ |
5×108 |
ohm-cm |
|
1500℃ |
3×105 |
|
"c" |
800℃ |
5×1010 |
|
1500℃ |
7×105 |
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Dielectric Strength |
"c" |
RT |
850000 |
V/mm |
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Dielectric Constant |
"c" |
1000Hz |
3.99 |
|
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Loss Tangent |
"c" |
1000Hz |
4×10-5 |
tan δ |
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Insulation property |
"a" |
25℃ |
5*108
|
Ω-cm |
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"c" |
25℃ |
5*1010 |
Ω-cm |
|
Friction coefficient |
u=6 |
|
High purity |
impurity<10ppm |
Please
note that these are typical properties and may vary.
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