Originally Posted by
StanSeven
Thanks Bill. I wouldn't advocate using it as a chain lube but there are people here that do. Anyway that's a good point you make about the evaporating properties also take away from the lubrication.
I suppose I started this by being imprecise. Yes, WD-40 has a mineral oil content and does lubricate. I should have said it isn't a suitable lubricant for a bicycle's drivetrain. I've unstuck a few locks with it, though...