Knowledge Stew
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Knowledge Stew

What Does WD-40 Stand For?

Got a squeaky door, a rusty hinge, or a bolt that just won’t come loose? There’s a good chance you’ve reached for this product; the liquid that magically loosens things up called WD-40. But why is this lubrication named WD-40? The reason for the name comes from the history of the product.

WD-40 is a solvent made with a special blend of lubricants. The WD in WD-40 stands for water displacement. Not only that, but the…

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Daniel Ganninger

Daniel Ganninger

The writer, editor, and chief lackey of Knowledge Stew and the Knowledge Stew line of trivia books. Connect at knowledgestew.com and danielganninger.com