Very good thermal shock resistance. Porous.
Basic Composition: Al2O3 72 to 74%, SiO2 24-26%, Na2O & K2O 1%
Temperature Limits: 1350 ° C
International Standards: DIN EN 60672 Type C530
Density: 2.45 g/cm³
Coefficient of Expansion: 5.7 x10-6 / ° C
Thermal Conductivity: 1.4 W/m ° C