• Anon7394@sh.itjust.works
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    3 days ago

    Explain.

    When exposed to atmospheric oxygen, pure metallic aluminum reacts almost immediately to form a dense, protective Aluminium oxide layer about 2 to 5 nanometers thick.

    • deHaga@feddit.uk
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      2 days ago

      They use electrolysis to make a 10 to 20 micron layer.

      Your natural one would scratch straight through