In order to avoid the property deterioration of mould fluxes without fluoride, substitutions for fluoride should be harmonized with the casting function of mould fluxes.

• 为避免保护渣中氟含量降低后性能指标的恶化，需要寻求氟化物的替代组分以协调保护渣各项冶金功能的正常发挥。