... of oxidation and reducingproperty,can be used to 1600°C.Si3N4 bonded SiC 1500Fused aluminium corrosion resistancebecause of Si3N4Si3N4 ... material,is used widely.The applying temperature is 1400 °C.It has better thermal stability,thermal shock,which is ... g/cm³2.4Porosity %20Thermal conductivity (1200 °C) W/M °C15Thermal shock 1000°C-20°C> 20 timesResistivity10000Moh's hardness> 9Specification of Si3N4 ...