I. Introduction copper chemical polishing brightener MS0307, ??the appearance of the product is colorless, transparent, non-irritating odor. Without the use of mist, no tobacco, safety and environmental protection, and oxygen generated during polishing increases the oxygen concentration in the workplace, improve the working environment. It is the best choice to replace chromate-type conventional polishing process. This product is suitable for H58, H62, H65, H68 brass, copper (copper), copper-nickel alloy, beryllium copper and bronze antioxidant treatment to prevent copper rust, discoloration, black, can effectively maintain the copper light brightness. Second, the characteristics and advantages · General: Suitable for all brass, copper, nickel silver, bronze and other copper alloys, beryllium copper and polished; * High brightness: The process can achieve an approximate mirror effect, better than the market similar products; Stable: Add a special hydrogen peroxide stabilizer, a temperature below 80 ℃ can ensure rapid decomposition of the phenomenon does not occur. Performance is very stable, the market similar products to make up for lack of readily decomposed unstable; Environmental protection: non-chromate and other heavy metals, in line with environmental protection requirements; · process is simple: with the special process, most of the present process polishing brass Stripping need, to complete the polishing step, saving time and effort.