Properties:
1. Extremely high cold crushing strength.
2. Superior corrosion resistance
3. Low apparent porosity and thermal expansion.
4. Outstanding thermal shock resistance
5. Excellent thermal conductivity
Application:
It mainly find its applications in blast furnace lining, the lining of alumina electrolytic bath and various nonferrous metal smelting, glass tank and ceramic
industries, etc.
Item | Unit | Index |
SIC content | % | ≥ 75 |
SI3N4 content | % | ≥ 22 |
Fe2O3 content | % | ≤ .5 |
Density | g/cm3 | 2.6~2.7 |
Apparent porosity | % | ≤16 |
Crushing strength | Mpa | ≥ 50 |
Rupture strength | Mpa | ≥45 |
Thermal conductivity | w/m.k ℃ | ≥ 8(800℃ ) |
Thermal expansion coefficient | *10(-6)/ ℃ | ≤ .7 |