Chrome Zirconia Corundum Bricks
Chrome Zirconia Corundum Bricks feature compact‑grained structure, high cold‑crushing strength, outstanding high‑temperature resistance, strong slag and glass‑liquid erosion resistance, reliable thermal‑shock stability and high‑temperature volume stability to resist peeling, which extends service life under harsh high‑temperature working conditions of glass furnaces and metallurgical kilns
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Physical and Chemical Indicators
|
Item |
Typical Value |
|
Al₂O₃ (%) |
80.0 |
|
Cr₂O₃ (%) |
5.0 |
|
ZrO₂ (%) |
2.5 |
|
Apparent Porosity (%) |
16 |
|
Bulk Density (g/cm³) |
3.10 |
|
Refractoriness Under Load (0.2MPa, ℃, T0.6) |
1700 |
|
Cold Crushing Strength (MPa) |
100 |
|
Cold Modulus of Rupture (MPa) |
16.0 |
|
Thermal Expansion (%) at 1200℃ |
1.10 |
|
Thermal Shock Resistance (Cycles, 900℃ water cooling) |
30 |
|
Thermal Conductivity (W/(m·K)) at 400℃ |
3.00 |
|
Thermal Conductivity (W/(m·K)) at 700℃ |
3.15 |
|
Thermal Conductivity (W/(m·K)) at 1000℃ |
3.30 |
