Our passivation process ensures all items that have been passivated will be free from exogenous iron and related compounds on stainless steel surfaces by means of a chemical solution that meets or exceeds ASTM standards for passivation of stainless steels. TruFab Stainless utilizes citric acid per ASTM A-967.

  • Paste passivation process is also available upon request.
  • Certifications also provided.
American Society for Testing and Materials - ASTM logo