Is Plumber’s Grease Silicone Based?

Is Plumber’s Grease Silicone Based? Plumber’s grease is waterproof and comprises of silicone oil (polydimethylsiloxane) in combination with silicone grease. It’s a dielectric grease in nature, but is relatively thicker than regular grease. … It’s commonly used by plumbers when installing O-rings and faucets. Is plumber’s grease the same as silicone grease? Plumber’s grease is