Огнеупорные Моно-блок Пробка для contious литья

PHYSICAL&CHEMICAL PROPERTIES FOR LADLE SHROUD Item Index Al2O3 (%) ≥45 C+SiC (%) ≥25 ZrO2 %(%) ≥3 APPARENT POROSITY(%) ≤18 BULK DENSITY(g/cm3) ≥2.4 THERMAL SHOCK RESISTANCE(TIMES) ≥5 PHYSICAL&CHEMICAL PROPERTIES FOR MONOBLOCK STOPPER Item HEAD BODY Al2O3 (%) ≥60 ≥45 C (%) ≥10 ≥20 ZrO2 (%) / / APPARENT POROSITY(%) ≤19 ≤19 BULK DENSITY(g/cm3) ≥2.6 ≥2.28 THERMAL SHOCK RESISTANCE(TIMES) ≥5 ≥5 COLD BENDING STRENGTH(MPa) ≥5 ≥5.5 COLD CRUSHING STRENGTH ≥18 ≥19 PHYSICAL & CHEMICAL PROPERTIES FOR IMMERSED NOZZLE Item Index Al2O3 (%) ≥40 C (%) ≥22 ZrO2 (%) / APPARENT POROSITY(%) ≤19 BULK DENSITY(g/cm3) ≥2.25 THERMAL SHOCK RESISTANCE(TIMES) ≥5