This quote may be helpful [or not]:What Is Dielectric Grease Made of?Dielectric grease is most commonly made of a silicone base and a thickener. It typically has a slightly translucent grayish or milky clear color. Permatex dielectric grease lists polydimethylsiloxane and silicone dioxide.You can get dielectric at most auto parts houses. The PERMATEX brand is about $5 for 1/2 ounce from Walmart.
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