Exclusive CEA black finish for stainless steel resulting from a deposition process through evaporation. It emphasizes the natural qualities of the material, highlighting the satin or polished finish. A biocompatible film based on graphite and diamond powder, increases the gloss and the hardness of the surface. The result is an extraordinary resistance to acid, basic solutions and solvents, safety from nicks and scratches, self-lubrication against water lime scales.