What is it with WD-40?

greymouser7 said
i read that it originally, it contained fish oil -but yeah tons of fake info out there

we used this hand cleaner when painting underwater ICBM (actually Ship Launched, SLBM) tubes IIRC called Naptha.
The wife uses some mixed into a bar of soap in her laundry. It is so similar to me a mineral spirits or paint thinner BUT it doesn't burn. I can't find it here and the manufacturer got bought out by a German company while I was stationed at the Launcher Shop at TRF. That stuff was a fantastic stain or (almost dry) paint remover! @Ddaddy
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100% Naphtha is what is used for Zippo lighter fluid. I always carried a bottle of it in my toolbox back when I had my auto Upholstery business. It was the only thing that would safely remove vinyl top adhesive from car paint without harming it. I often had to put new vinyl tops on freshly painted cars and naphtha never let me down.