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What does the WD stand for in WD-40?

April 26, 2017answer Education India Reference stand Trivia wd wd-40

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What does the WD stand for in WD-40?

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WD-40 literally stands for Water Displacement, 40th attempt. That’s the name straight out of the lab book used by the chemist who developed WD-40 back in 1953. The chemist, Norm Larsen, was attempting to concoct a formula to prevent corrosion — a task which is done by displacing water. Norm’s persistence paid off when he perfected the formula on his 40th try.