... 22.5~3.2Thermal shocking, °C ≥200≥300≥500≥350≥200softening temperature,°C ≥1300≥1400≥1400≥1450≥1700Specific Heat ... Capacity ( 20-1000 °C), J/kg.°C900~1000900 ... ~1200800~9001000~12001300~1500Thermal conductivity( 20-1000 °C), W/m.°C1.5~2.01.5~2.51.3~ ... 1.54~68~10Coefficient of Thermal Expansion (20-1000 °C)× ...