可广泛用于各种金属材料表面清洗、锌件、铜件、铝合金和其合金工件表面的脱脂除油和去锈及氧化皮处理，特别是对于钢铁件的轻锈可以取代盐酸除锈。

It can be widely used for surface cleaning of various metal materials, degreasing, deoiling, rust removing and oxide skin treatment on the surface of zinc, copper, aluminum alloy and its alloy workpiece, especially for light rust of iron and steel parts, instead of hydrochloric acid.