Chromate Conversion-Chemical Film is a chemical conversion coating that is used to passivate aluminum. It protects aluminum substrates from corrosion and acts as a base for organic coatings while leaving dimensions unchanged. TPI only offers Type II Trivalent Chromium processes at this time. TPI offers rack and basket processes.

Specifications:

  • MIL-C-5541, Type II, Class 1A
  • MIL-DTL-5541, Type II, Class 1A
  • ASTM B449, Class 2 and 3
  • Custom Specifications

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