Tribology is the science of interacting surfaces in relative motion. It’s the study of the principles of friction, wear and lubrication, and is relevant in a vast field of applications, from engineering and industry, to car mechanics and molecular chemistry, even medicine. Tribology dictates how your car engine runs, how the lift operates in your building, how your electricity is generated, even how your grandmother’s replacement hip works.
Surface tension is an important factor in lubricant penetration, as it dictates which fluid will win in a direct competition for space, important when you’re trying to displace moisture from joints, hinges, screws and other tight spaces to improve movement. WD-40 has a lower surface tension than a number of competitor products. We placed a drop of WD-40’s Multi-Use Product next to a drop of competitor product on a flat sheet of metal, to show how WD-40 will push back against the competing liquid, forcing it out of the space rather than mixing with it. The outcome? Proof that WD-40 will penetrate faster and further than competitor products.
The uses shown and described for WD-40 Multi-Use Product were provided to WD-40 Company by the users themselves. These uses haven’t been tested by WD-40 Company and do not constitute a recommendation of suggestion for use by WD-40 Company. Common sense should be exercised whenever using WD-40 Company products. Always follow the instructions and take heed of any warnings printed on the packaging.
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