Porous

Property Test Method Alumina
Silicon Carbide
Mullite
Coefficient of Thermal Exp. x10-6 (RT-500ºC) ASTM C-372 8.8 4.0 5.4
Density (g/cm³) ASTM C-373 2.1 1.8 2.1
Maximum Material Use Limit (ºC) 800 1200 1200
Modulus of Rupture 3 pt. MOR (MPa) – 400ºC 26 26 26
Porosity Based on Bulk Density 43 39 32
Thermal Shock Resistance Good Excellent Excellent