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Items

Unit

Index

Operating temperature

℃ 

1380℃

Density

g/cm^3

>3.02 g/cm^3

Porosity

   % 

<0.1

Bending strength

Mpa

260Mpa(20℃)

 

280Mpa(1200℃)

Elastic Modulus

GPa

330 GPa (20℃)

 

300Mpa(1200℃)

Thermal conductivity

W/m.k

45(1200℃)

Thermal expansion coefficient

K^-1 * 10^-6

4.5

Mohs hardness

 

9.15

Acid-base resistance

 

Excellent