I have never tried it, but...

http://audio-restoration.com/baking.php

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"RichardL" wrote in message
...
I have some open reel tapes which are suffering from shedding of
the oxide coating.

I understand that baking the tapes under certain strict conditions will
restore
them to a playable state, at least for a limted time.

Does anyone have experience of this problem and advice on how to do
such 'baking' ?