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Re: It's normal (archive)

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Posted by Bruce R. on June 07, 1999 at 17:46:17:

In Reply to: normal--they rust in a matter of minutes posted by Steve on June 07, 1999 at 15:53:44:

No question, it's rust. That is typical for any iron disc. The embedded carbon particals react/combine with the iron and water. It is not a problem. It happens very quickly if the discs are still a little warm from driving.

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