Quote:
clear wont stop the rusting
Actually, modern clear coats are a barrier to water. The problem is the underlying surface. If you already have rust, you already have water. Unless the surface thoroughly dried before coating, you will still have water and the corrosion will proceed. Corrosion adds volume, resulting in blisters, which allow more water to enter.
One option for removing all water is spraying 100% ETOH on the surface in a very low humidity, warm environment. The ETOH will carry the water away as it evaporates.
Of course, the surface would also need to be completely cleaned of all hydrophilic substances.
This is probably not a helpful comment. For that I apologize. The professor in me sometimes overwhelms my better judgement.
Tom
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