Огнеупорные застекленная Промковш Моноблок Пробка Род Су

Refractory Glazed Tundish Monoblock Stopper Rod Submerged Entry Nozzle Monoblock Tundish Slide Plate1.Monoblock Stopper RodItemUnitTypical ParameterHeadBodyAlumina-Carbon TypeMagnesia TypeAl2O3%≥55--≥45C + SiC%≥15≥15≥20MgO%--≥58--Bulk Densityg/cm3≥ 2.65≥2.45≥ 2.45Apparent Porosity%≤ 16≤18≤ 17Cold Crush StrengthMPa≥ 23--≥ 22Cold Modulus of ruptureMPa≥ 7--≥ 5Thermal Shock Resistance (1100oC)Time≥ 5 2.Submerged Entry Nozzle Monoblock Tundish Slide Plate ItemUnitTypical ParameterBodySlag LineAl2O3%≥ 45--C+ SiC%≥ 22≥ 15ZrO2%--≥ 70Refractoriness≥1770≥1770Bulk Densityg/cm3≥2.50≥3.5Apparent Porosity%≤ 17≤ 20Cold Crush StrengthMPa≥ 20--Cold Modulus of ruptureMPa≥6--Thermal Shock ResistanceTime≥5