A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

what does coating brake rotors with zinc or cadmium actually do?

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Old Feb 10, 2002 | 08:54 PM
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what does coating brake rotors with zinc or cadmium actually do?
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Old Feb 10, 2002 | 08:58 PM
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Default great weight saving technique...

for your wallet.
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Old Feb 10, 2002 | 09:01 PM
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Default Cadmium supposedly...

...will cover and remain on the non-friction surfaces (the edges, slots/holes<--if applicable) and prevent rust.

Andy
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Old Feb 11, 2002 | 03:55 AM
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its meant to stop them coroding it wears off after a couple of hundred miles. looks better than rus
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