Appearance

Compact

Color

Ivory

Content

96%

Density

g／m^３

6

Water Absorption

％

０

Vickers Hardness

Gpa

12.3

Flexural Strength

Mpa

1000

Compressive Strength

Mpa

－

Young's Modulus

Gpa

200

Poisson's Ratio

－

0.31

Fracture Toughness

Mpa.m^1/2

4～5

Coefficient Of Thermal   Expansion

40-400°C

x 10^-6/k

10.5

40-800°C

x 10-6/k

11

Thermal Conductivity　 20°C

W(m.k)

3

Specific Heat Capacity

J(g.k)

0.46

Thermal Shock Resistance   (in water)

°C

300

Dielectric strength

kv/mm

11

Volume resistivity

20°C

Ω.cm

10¹³

300°C

Ω.cm

10⁶

500°C

Ω.cm

10³

Dielectric constant 　1MHz

－

33

Dielectric loss angle 　1MHz

x 10^-4

16

Loss factor

x 10^-4

－

Nitric Acid（60%）90°C, 24 Hours

Weightlessness

mg/cm²

≈0.00

Sulphuric Acid（９５%）9５°C, 24 Hours

Weightlessness

mg/cm²

0.04

Caustic Soda（３０%）８０°C, 24 Hours

Weightlessness

mg/cm²

0.08