Brown gold flash solution for bath plating (ready to use) AURICOR 406 is an acid based gold plating solution able to deposits a brown colour alloy of gold-ruthenium. The brown colour shade can be adjusted using a special additive Packaging : 1 L Concentration : Au 1 g/1 L Color : Brown The product contains precious metals and may be subject to daily price changes Use Bath Color Coordinates L*=70.0 a*=1 b*=18.0 Applications Goldsmith and Silversmith Features Choosen by luxury brand, Enviromentally safe, Nichel Free Packaging 1 L