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Brian_K_Whiteyesterday at 6:14 PM1 replyview on HN

anodizing is literally oxidizing


Replies

nikisweetingyesterday at 11:12 PM

Yes but anodization implies thickness around ~5–25 micrometers (µm) for aluminum. The natural oxide coating is ~2-5 nanometers (1,000–5,000× less thick).