WD-40 Company and Product History
It took them 40 attempts to get the water displacing formula worked out. But they must have
been really good, because the original secret formula for WD-40®—which stands
for Water Displacement perfected on the 40th try—is still in use today.
Convair, an aerospace contractor, first used WD-40 to protect the outer skin of the
Atlas Missile from rust and corrosion. The product actually worked.....