The acidic liquid, under normal temperature conditions, can be brushed to form a black decorative film on the surface of the stainless steel, with uniform color and good adhesion.

The acidic liquid, under normal temperature conditions, can form a black decorative film layer on the surface of the stainless steel by soaking, and the color is uniform and the adhesion is good.

Stainless steel black salt is a high-temperature alkaline blackening liquid specially designed for stainless steel blackening. It has good blackness, strong adhesion and corrosion resistance. The black salt is a granular or flake solid compound, which is convenient for transportation.