Fused zirconia-corundum brick is produced through high-temperature electric melting of raw materials in an electric arc furnace at approximately 2000 °C, followed by precision casting, controlled crystallization, long-term annealing, and fine machining.
The product features an extremely dense structure and excellent corrosion resistance, making it suitable for demanding high-temperature applications.
Compared with zirconia-corundum bricks produced by conventional methods, the main difference lies in the manufacturing process, while the overall performance characteristics remain largely similar.
Type | Unit | CTAZr10F | CTAZr5F | CTAZrC12F | |
Density ≥ | kg/m3 | 3.1 | 3.0 | 3.2 | |
Apparent Porosity ≤ | % | 18 | 20 | 16 | |
Cold crushing strength ≥ | MPa | 130 | 100 | 100 | |
0.2MPa,T0.6Refractoriness under Load ≥ | ℃ | 1680 | 1680 | 1680 | |
Linear Change Rate After Firing at 1600℃*3h | % | ±0.3 | ±0.3 | ±0.3 | |
Chemical Compoaition | ZrO2 ≥ | % | 10 | 5 | |
Al2O3 ≥ | % | 85 | 90 | 80 | |
Fe2O3≤ | % | 0.5 | 0.5 | 0.5 | |
ZrO2 +Cr2O3≥ | % | 12 | |||