... good, when using, not roasted, don't block the advantages and aluminium zirconium carbon nozzle, corrosion resistance, ... resistance to erosion good characteristic, and may reduce the cost of continuous casting.Advantages1.High corrosion resisting. 2 ... .High thermostability. 3. Quartz.We has two production lines, the monthly production capacity is 1000 tons.Specification ontologycomplexSiO2% ...