|
unit
|
data
|
|
temperature of application
|
C
|
1380
|
density
|
g/cm3
|
>=3.02
|
open porosity
|
%
|
<0.1
|
bending strength
|
Mpa
|
250(20C)
|
|
Mpa
|
280(1200C)
|
modulus of elasticity
|
Gpa
|
330(20C)
|
|
Gpa
|
300(1200C)
|
thermal conductivity
|
W/m.k
|
45(1200C)
|
coefficient of thermal expansion
|
K-1*10-6
|
4.5
|
Mohs hardness
|
|
13
|
Acid and alkali resistance |
|
Excellent
|