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Old 03-26-2012, 03:55 PM
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Bizzy Bizzy is offline
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Join Date: Mar 2011
Location: Pennsylvania
Posts: 485
Originally Posted by marxist View Post
Hi Bizzy,

if I remember correctly some Physics classes from a while ago, then "blank" aluminum does not exist in nature because an aluminum surface instantly oxidizes, when exposed to oxygen (in nature primarily from air or water).
This oxidized top layer is non-conductive and consequently aluminum plates are automatically insulated.
The controlled technical application of this process is called
Anodizing - Wikipedia, the free encyclopedia.
Hi Marxist
thanks for the help.
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