Ceramic rod

density

G/CM³

3.6

Water absorption rate

%

0

Thermal conductivity

W/mk

20

Coefficient of thermal expansion

10-6/K

8.5

Young's modulus of elasticity

GPa

320

Poisson ratio

/

0.22

Fragmentation strength

MPa

1650(高强度)

fracture toughness

MPa'm1/2

3~4

Bending Strength (Room Temperature)

MPa

300

bending strength（700°C）

MPa

230

Compressive strength (room temperature)

MPa

2200

     Insulation strength

KV/mm

12

Maximum operating temperature

°C

1500

Thermosensitive Resistance (Thermal Resistance)

K/W

0.3

Long-term operating temperature

（℃） 

1400

specific resistivity

Ω•mm²/m

＞1016

Dielectric constant

/

9

Dielectric loss angle

0.0004

Dielectric strength (breakdown potential)

KV/mm

10

Mohs hardness

9

Maximum thermal shock (melting point)

（℃）

250

Specific heat capacity

J/KG-K

≥0.8

Webb coefficient

12