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Citric Passivation


Many industries such as aerospace, medical device, and automotive, are moving to the use of citric acid passivation as a method of removing free iron from the surface of their products.

Y & W uses CitriSurf citric acid to provide quality passivation for customers that require this service.

Benefits of citric acid passivation over nitric acid passivation:

•Meets all ASTM A-967 requirements
•Provides excellent passivation for all grades of stainless steel
•Readily removes iron oxides
•Will remove red rust
•Environmentally friendly
•Very safe to use
•No toxic gases emitted