Dav-Tech's technical expertise can help you achieve consistency in anodizing and avoid the problems unique to anodic coatings.
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Anodizing is an electrolytic process that produces a relatively inert coating on a metallic surface. When aluminum alloys are anodized, an aluminum oxide layer is generated and used as the coating. It is the stability of the aluminum oxide that accounts for all of the coating's protective properties.
During the anodizing process, the aluminum oxide develops pores, creating a final coating whose outer layer is permeated with uniformly dispersed porosity. This porosity must then be sealed to further enhance the corrosion resistance of the coating.
Due to the porous nature of the Anodic coating dyes can be introduced to achieve a variety of colors. After dying parts will be sealed this improves the light-fastness.
Dav-Tech Aluminum Anodizing Properties
Typically transparent, good for surfaces that will be color dyed
||.0001" to .001"
||Applicable specifications include:
- Type II
- Other military and commercial anodized specifications
Benefits of Dav-Tech Aluminum Anodizing
Dav-Tech aluminum anodizing offers several benefits:
- Creates a clean surface by sealing the substrate
- Excellent corrosion resistance
- Can be used as a non-conductive finish
- Can be dyed or colored to improve product appearance
- Close dimensional control
- Excellent primer for paint coatings
Planning for Aluminum Anodizing
Most anodizing problems are due to improper alloy selection. When choosing an aluminum alloy to anodize, remember that the purer the aluminum, the more uniform in color and thickness the coating will be. Non-aluminum alloying components, such as copper and silicon, have an adverse effect on the anodizing process and may produce coatings that appear shaded or discontinuous.
Dav-Tech's expert technical staff can recommend alloys that will maximize the required anodic properties. Where the selection of material is limited, we can develop special process procedures to ensure the anticipated performance.
Our cost-effective approach to resolving your finishing challenges consistently yields a high-quality product at a competitive price.
Download our Anodize Data Sheet
Learn about our Other Finishes
Color Anodizing | Colored Anodizing | Color Aluminum Anodizing | Colored Aluminum Anodizing