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I had a paint scuff on previous car. My detail shop used wd40 which removed the scuff. The detailer said that they used it all the time like a rubbing compound. He said Shhh don't tell the world about their secret!
Aliphatic hydrocarbon is a solvent used for metal cleaning (for removing oil residues), degreasing, dry cleaning, etc. Very flammable. High amount of exposure can damage liver and nervous system (as in most chemicals in large quantity). This can be used as property of leather cleaner, but not as leather conditioner.
I worked for an oil company back in the 1980's. We delivered 175 Bright Stock to the WD040 Plant by the truck & trailer load. One of the workers told my truck driver they just added perfume to the light lubricating oil base stock. I supect there are a few other secret ingredients, but I doubt that any of them are corrosive based on their suggested uses for their product. Probably pretty harmless stuff on paint . . . but shouldn't feed it to your pets or children.
It's a relatively simple formula (I had to get all of the manufacturing details back when I used to conduct risk evaluations of their operations). I was surprised at how few ingredients are in it. No corrosives are in the formula. No carcinogens that I am aware of either.
In one of the offices, they have a shelf with dozens of "knockoff" products, with names like WD-50, or MD-40, etc., using the same font and colors.
So wait.. what's the real story? Is this bad for you to sit on or be around if you sprayed your entire interior with it?
I've only used WD40 to lubricate things and to loosen stuck parts in copy machines (another life of mine).
Every product has an MSDS, which by law has to be provided to the public. Each MSDS has 16 sections, that provide ingredients, hazard info., etc. Here's a portion of WD-40's MSDS:. See especially Section 11:
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