Quote:
Originally Posted by masraum
Statue of Liberty corrosion over time
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pretty sure its oxydation not corrosion
if it were corrosion the statue would have been gone by now.
oxidation = protective layer. which makes it durable in time
normal copper corrosion is insignificant it is considred a noble metal
to actually corrode copper, there would have to be some ammonia, salt, sulfar or acids involved.
I doubt acid rain is enough
