Magnesium & Aluminum

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Magnesium & Aluminum

Magnesium and aluminum alloys use different types of finishing and coating, depending on the alloy and the end-use application of the metal part. At Aerospace Metals, we can apply a variety of finishes to both aluminum and magnesium using high-quality anodizing facilities that meet all the necessary technical requirements.

Coating magnesium and aluminum has a variety of advantages, including providing good base paint qualities, incredible part protection, abrasion and corrosion resistance, as well as contamination prevention, depending on the type of coating used.

Magnesium & Aluminum Services

  • Chemical Film (Alodine, Iridite, etc.)
  • Dow 17
  • Dow 19 Touch-up


  • Dow 7
  • Etch Only
  • No Chrome Yellow
  • Passivate
  • TCP on Aluminum or Zinc Die Cast
  • TCP on Magnesium
  • Yellow Chromate on Zinc Die Cast


Magnesium & Aluminum Process Overview

The exact process varies, but coating magnesium and aluminum requires a chemical treatment of the alloy in a way that increases the corrosion and abrasion resistance of it, creating a protective layer which can then be painted over if necessary.

Industries that use Magnesium & Aluminum

Among the industries that use plating: automotive, aerospace and defense, industrial machinery, medical, robotics, energy, and R&D are the ones that stand out. 

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