A chemical that protects a metal surface or an electrolytic action, this is the description for it. It is generally about aluminium and the layer this is oxide is the barrier to agents that are corrosive.
What is ANODIZED?
ANODIZED: "Anodized is used to describe the layer that protects the metals surface and is chemical or electrolytic action."
Edited and fact checked by Pam: Google +
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