Hard to say and impossible to avoid, the chemical is part of the silicones family (think silicone oil or grease), which has been around for 50 years, and has been noted, generally, for its inertness, lack of toxicity, and resistance to microbiological growth and heat.

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This maintains a low resistance to the current, meaning that the electrons create much less heat than do nanoscale copper wires, which produce higher resistance on the nanoscale.

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