Chemical polishing is a common surface treatment process for stainless steel. Compared with electrochemical polishing, its biggest advantage is that it does not require DC power supply and special fixtures, and it can polish parts with complex shapes, with high productivity.
In terms of functionality, chemical polishing can not only obtain a surface with physical and chemical cleanliness, but also remove the mechanical damage layer and stress layer on the surface of stainless steel to obtain a surface with mechanical cleanliness, which is beneficial to prevent localized corrosion of parts and improve Mechanical strength, prolonging the service life of parts.
The basic composition of chemical polishing solution includes etchant, oxidizing agent and water. The etchant is the main ingredient. If the stainless steel is dissolved in the solution, polishing cannot be performed. Oxidants and additives can inhibit the process and cause the reaction to proceed in a direction that is conducive to polishing.
