Silchrome Description Application: It is a is an electrolytic passivating bath for Silver which deposits a transparent, colourless protective coating on silver and silver electroplate. The coating gives a valuable and effective protection against atmosphere containing hydrogen sulphide, and in the way prevents darkening of the metal. The Growel Advantage: This passivation has no appreciable effect on the solderability and electrical conductivity of the silver and for most applications this very slight diminution is of no importance. get a quote