refractory monolithic stopper rod

This kind of tundish monolithic stopper rod hasmanyqualtity , such as AL-c quality, AL-ZR-C quality and AL-Mgo-C quality, it has good properties good slag resitance , and good corrosion resistance, and good impact resistance to melton steel,. Physical and chemical index ZSLT-A ZSLT -B body head body head Al2O3 % ≥55 ≥65 ≥55 / ZrO2 % / / / ≥70 MgO % / / / ≥75 C+SiC % ≥25 ≥20 ≥25 ≥15 A.P. % ≤19 ≤18 ≤19 ≤19 B.D. g/cm3 ≥2.46 ≥2.65 ≥2.46 ≥2.85 C.C.S. Mpa ≥20 ≥22 ≥20 ≥20 MOR Mpa ≥5.0 ≥7.0 ≥5.0 ≥5.0 Thermal shock ≥5 ≥5 ≥5 ≥5