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      PBN properties:

 

PBN PROPERTIES

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

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

Dielectric Strength

"c"

RT

850000

V/mm

Dielectric Constant

"c"

1000Hz

3.99

 

Loss Tangent

"c"

1000Hz

4×10-5

tan δ

Insulation property

"a"

25

5*108

Ω-cm

"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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