cleaner for Zn/Al alloy Parts 1.for degreasing on Zn/Al alloy die cast 2.used in hot immersion ... 3.medium alkaline HN-426 Cleaner For Zn/Al PartsApplication and Advantage:Specially designed for degreasing on zinc/aluminium alloy die ... Electroplating raw materials: metal anode, copper sulphate, nickel sulphate, nickel chloride, etc.Electroplating additives: copper plating, nickel plating, zinc plating, ...