Chemistry

Max. Working Temperature (no load)

Thermo-conductivity

Thermo-expansion

Flexural Strength

Alumina  (99.8%)

1800 ^oC

8.2 W/m*^oC

8.4 x 10^-6/^oC

380 Mpa

Mullite   (60% Al2O3+ 38%SiO2)

1500 ^oC

3.6 W/m*^oC

5.4 x 10^-6/^oC

180 Mpa

Quartz (99.9% SiO2)

 1200 ^oC

1.4 W/m * ^oC

5.5 x 10^-7/^oC

48 MPa