2011 - Volume #35, Issue #4, Page #41[ Sample Stories From This Issue | List of All Stories In This Issue | Print this story | Read this issue]
He Doesn't Like WD-40If ever there was an overrated and misused product, it's WD-40. The name says it all û "Water Displacement, trial number 40". It's made from petroleum distillates and designed to displace water from vehicle wiring. Read the label. Nowhere does it say it contains oil. It's not a lubricant. I have found it's good for cleaning off oil and grease. Doesn't this tell you that it is not an oil itself? As a former production foreman, I stopped workers from spraying metal parts with WD-40 as a protectant before shipping them. The parts would begin to rust after a short while. We switched to a true preservative lubricant - end of problem. Another time, a machine operator told me a limit switch on his machine was sticking, even though he had sprayed it 5 times with WD-40. I sprayed it with a real lubricant and it stopped sticking right away.
I got a can of WD-40 as a retirement present because I badmouth it so much. I do use it û for instance recently on the wiring of a tractor I suspected of shorting out due to being wet. The tractor started right up afterwards. (Robert Thomas, Butler, Penn.)
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