Originally Posted by Janosh
Back in 66 I was in the Navy and they banned the use of WD40 due to the fact it draws moisture. Spraying unprotected steel with it leaves a coat of rust the next day in a humid environment. Of course, that was 42 years ago. God, I can't believe I have been around that long. I'm certainly not old. I like Diesel myself. Top it with some chain lube to keep it from rusting.
Isn't the whole point of W(ater)D(displacing)40 to not draw moisture? Something is not right, by "humid environment" do you mean dipped in seawater and left on the deck of a battleship?