... SiO2, Al2O3, Rapidly heated to above 1100 °C, Volume instant expands and forms the sticky active material with a porous ... yield and realize no slag casting.2. Covering insulationEfficient slag remover has low thermal conductivity, the formation of the float ... remarkable performance, easy to store.Directions1. Du Baite efficient slag remover can be used in ladle, crucible furnace, electric furnace and ...