Micro etching potion is a kind of special type of sulfuric acid hydrogen peroxide micro copper surface corrosion stabilizer. Used to remove the organic or inorganic pollution, such as fingerprints, light oil, oxidation spot and at the same time form a uniform layer of copper surface coarsening layers, the increase of the copper surface adhesion force to the largest extent. Good performance can be applied to spray and immersion bath processing in the form, and we can according to customer requirements to provide any proportion of concentrate.