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Posts Tagged: Dielectric grease

Dielectric grease

What is Dielectric grease? Dielectric grease is used in automotive applications to prevent corrosion in electrical connections, lubricate rubber parts, and prevent spark plug boots from welding to spark plug porcelain. Dielectric grease is non-conductive, so when it’s applied to the inside of a spark plug boot dielectric grease it also helps prevent “tracking” where high voltage fires down the porcelain portion of the plug to the metal shell where the voltage finds ground. What’s in dielectric grease? Dielectric grease is made from a polydimethylsiloxane silicone oil base (as opposed … Read More

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