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Citric Acid 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

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