Characteristics and Applications

The appearance of the film layer is black and bright, and the corrosion resistance is good, and the size of the workpiece almost does not change after blackening. It does not contain nitrite carcinogens. It is used for the blackening of carbon steel, alloy steel, die-cast iron and mold steel.

It is used for blackening parts such as automobiles, motorcycles, hardware and home appliances, ships, equipment systems and instrumentation.