alt Hacker NewsTrue; however, this is an aluminium alloy. These typically have lower corrosion resistance and are most commonly anodized because of it. The applied layer is typically 3 to 5x thicker than that formed by pure aluminium oxidization.
True; however, this is an aluminium alloy. These typically have lower corrosion resistance and are most commonly anodized because of it. The applied layer is typically 3 to 5x thicker than that formed by pure aluminium oxidization.
You're off by at least 3 orders of magnitude, anodization is like 1,000x~5,000x thicker (5~25µm) than the natural oxide coating (~5nm).