Sodium Formaldehyde Bisulfite Cas No: 870-72-4 PN is the most excellent high-temperature carrier among acid copper brighteners. It is suitable for electroplating of complex workpieces and can be used within the range of 15-45°C. It is suitable for hardware acid copper plating, circuit board copper plating, hard copper electroplating and other processes. Consumption: 0.5-1g/KAH. Electroplating: It can effectively complex dissimilar metal ions such as copper, zinc and lead, and co-deposit with nickel ions. Medicine: used in the production of intermediates for medicine isoniazid sodium sulfonate, neoarsovaramine, cancer enemy, etc. Water treatment: used as an intermediate for water scale inhibitor. Others: It is also used as a fixing agent for protein fragrance, a floating detergent for lead-zinc ore and a color photo assistant (anti-pollution and fading), cotton printing industry. ZXCHEM GROUP