[citation needed] Silicone oil is also commonly used as the working fluid in dashpots, wet-type transformers, diffusion pumps and in oil-filled heaters.
[3] The class of silicone oils known as cyclosiloxanes has many of the same properties as other non-cyclic siloxane liquids but also has a relatively high volatility, making it useful in a number of cosmetic products such as antiperspirant.
Silicone oil serves as an effective gun lubricant, suitable for use with the rubber, plastic, and metal components commonly found in firearms.
Its high surface adhesion allows it to create a long-lasting protective film, which is beneficial for preserving guns during prolonged storage.
Because of silicone oil's water repellent and lubricating properties, it is considered an appropriate material to maintain surgical instruments.