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What is Anodizing Process

Anodizing is a process that affects the surface textures of metal and achieves a highly reflective surface finish similar to mechanical polishing, while leaving no deposits on the surface of the part. With Aerospace Metals, the process is as easy and simplified as possible, thanks to our extensive network of trusted, expert manufacturers.

Anodizing services

  • Bright Dip for any process
  • Bulk Sulfuric Anodize (Ty II, CL 1,2)
  • Bulk Sulfuric Anodize and Sort
  • Chromic Anodize (Ty I, CL 1,2)
  • CompCote ™

  • Dry Film Lubricant
  • Etch Only
  • Hardcoat Anodize (Ty III, CL 1)
  • Hardcoat Anodize Dyed (Ty III, CL 2)
  • Masking
  • Seals (Dichromate, Diluted Chromic, or Duplex)
  • Sulfuric Anodize (Ty II, CL 1, CL 2)
  • Teflon (Air Dry)
  • Teflon and Bake


Anodizing Process Overview

The protective oxide layer on the metal part is created electrolytically, by putting it into a electrolytic solution with a cathode. The solution is acidic and when a current passes through it, the cathode releases oxygen which then forms on the anode’s surface. This causes the metal part to oxidize. The size of the layer depends on the exact anodizing process that is used, as well as the intended end-use application of the metal part.

Industries that use Anodizing

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

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