Anodizing is a conversion of the aluminum surface to a thicker, corrosion-resistant aluminum oxide. This site-within-a-site covers everything from chromic and sulfuric acid anodizing to hard coat anodizing articles, suppliers and products. Check out our feature stories, tips from industry experts, and the latest in innovations from world-class suppliers.

Deoxidizing Aluminum as a Pretreatment

This important first step can help prepare the metal for subsequent surface finishing.

Anodizing Brake Calipers

The process places special demands on the coater, and on the process suppliers.


Adding Aluminum to a New Anodizing Bath: The Math and Chemistry

Aluminum sulfate is the preferred buffer to help prevent burning of parts in an anodizing bath. Larry Chesterfield elaborates.

How to Minimize Fading of Anodized Colors

All color-anodized parts fade, but if the process is optimized, you can expect years with minimal loss in color, says Reliant Aluminum Products’ Mark Jozefowicz.
Featured Video

Sun Glo Industrial Plating Survives Trial by Fire

Andy Pozin’s more than three decades in the metal finishing industry nearly came to an end in 2015 when an overnight fire devastated his company and his livelihood.


Coventya Products Aim to Meet Surface Finishing Challenges

Coventya will highlight a variety of its latest products at Sur/Fin 2018, including Finicoat coatings, the Alumal aluminum surface treatment line and WaterCare wastewater treatment line, and 3S anode technology.

PKG Equipment Installs Custom Anodizing Systems

PKG Equipment designs, fabricates and installs custom finishing equipment, including an anodize and chemical film treatment system used for Type I, Type II and Type III anodizing.