The mew fluxes for magnesium alloy are developed. Composed of some chlorides and fluorides of alkali metals and a few other inorganic substances

these fluxes show a very good comprehensive performance in relation to the melting point

density

viscosity

slag forming capacity and so on. Compared with the traditional fluxes

these new fluxes have better spreading performance

longer holding capacity

better parting ability with the melt

lower amount of harmful gases release. The five year’s application has demonstrated that they can effectively keep the Mg alloy melt from oxidization

improve its metallurgical quality

and have great significance in the environment protection.