feuerfeste Düse

refractory nozzle Strong anti-erosion No significant expansion by Bulk flow phenomena without bias Good resistance to thermal quench radical Conia Sizing Nozzle physicochemicalItemsCore water portX—1X—2Zr(Hf)O2％ ≥9494Al2O3,％ ≥——Bulk density, g/cm3, ≥4.75.2Porosity，％ ≤2012Room temperature compressive strength, MPa, ≥80　Life, Hrs,≥1012Expanding rate, Mm / hrs, ≤0.1　Thermal shock resistance, times, (1200degrees water cooling)≥55ApplicationFor small continuous casting, liquid steel flows