Item

Unit

Data

temperature of application

℃

1380℃

density

G/cm³

＞3.02

open porosity

%

＜0.1

bending strength

Mpa

250 (20℃)

MPa

280 (1200℃ )

modulus of elasticity

GPa

330 (20℃)

GPa

300 ( 1200℃ )

thermal conductivity

W/m.k

45 (1200℃ )

coefficient of thermal expansion

K^-1 ×10^-6

4.5

rigidity

13

acid-proof alkaline

excellent