PROCESS FOR THE PASSIVATION OF TINNED STAINLESS STEEL STRIP WITH A CHROME-FREE PASSIVATION FILM

摘要

Process for the passivation of tinned stainless steel strip with a Chrome-free passivation film, characterised in that it comprises the step of dipping, optionally applying a cathode current, the tinned strip in a passivation bath comprising at least one salt of a transition metal selected from Cobalt, Titanium, Zirconium and Molybdenum. The present invention further relates to the passivated tinned strip thus obtainable, to the tinned strip passivated and painted with Chrome-free paint, and to the use thereof for the production of tinned goods.