What is anodizing?

Alexandria Plating Industries, Inc. is a market leading in the automotive and defense anodizing industry. Anodizing is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of aluminum. The process is called “anodizing” because during the process the aluminum forms the anode electrode of an electrical circuit. Anodizing increases corrosion resistance and wear resistance, and provides better adhesion for paint primers and glues than bare aluminum. Anodic films can also be used for a number of different cosmetic effects; either with thick porous coatings that can absorb dyes, or with thin transparent coatings that add interference effects to reflected light.

What materials can you anodize?

The following aluminum alloys: 2000 series, 3000 series, 5000 series, 6000 series, and 7000 series. Please do not hesitate to contact us or call toll free 864-481-1320  if you have any questions. We look forward to serving your needs.

Our Processes


  • Buffing
  • Polishing
  • Time Saving
  • Laser Etching

Anodizing Processes

  • Chromate Conversion certified to MIL-C5541
  • Sulfuric Anodizing certified to MIL-A-8625 Type II, Class 1 & 2
  • Hardcoat Anodizing certified to MIL-A-8625 Type III, Class 1 & 2
  • Brite Dip Anodizing
  • Chemical Etching
  • Barrel and Bulk Anodizing
  • Color Match Anodizing
  • Production Color Anodizing. With over twenty standard colors, we can find a solution to fit your needs. For more information, please do not hesitate to contact us or call 864-481-1320.