Citric Acid Passivation is an alternative method to standard Nitric Acid Passivation. When formulated correctly Citric Acid provides excellent results in the Passivation Process of nearly all alloys of Stainless Steel products for cleaning, brightening and Passivation. This acid is the same acid found in many food items that you ingest everyday, in oranges and other citrus fruits, just at an extremely concentrated form. Nitric Passivation is a better solution for parts with heat treat and weld discoloration.

Citric Acid Passivation is a process that Central Electropolishing is very familiar with. We have all the necessary systems in place to handle this process and the proper test equipment to ensure your product meets the requirements for Passivity. Some industries using Citric Acid Passivation include fasteners, medical devices, semi-conductors, aerospace and automotive. Citric Acid Passivation is a process that may be performed on site in your facility. If you have any questions give us a call, we will be more than pleased to answer any questions you may have about this alternative to the standard Nitric Passivation technique.