Firing shaft furnace wind-leading wall use alumina

Firing shaft furnace wind-leading wall use alumina zirconia refractory brick 1.Features: 1).Low impurity, high refractoriness raw material 2).Adding zirconia material enhancing sharp quenching and snap heat resistance. 2.Production process: molding with large vibration and pressure machine, and fired with high temperature. 3.Properties: ITEM No.:HXAZDF-002 Properties Al2O3 % 65 ZrO2 % 10 Bulk density g/cm3 2.3 Apparent porosity % 24 Cold crush strength MPa 55 Refractoriness °C ≥1790 Thermal shock Stability Times (900°C, cold water) ≥20 Linear Change rate on reheating (1450°C×2h) % +0.2-- -0.2 4. Application: mainly constructing firing shaft furnace wind-leading wall in steel making industry.