Where do you use solid-film lubricants and what are their advantages?

Solid-film lubricants are much more than low friction coatings: They can be used for metal wear protection, too. Especially when surface contact is severe and localized. This is the time when lubrication, not hardness alone, is key. Just think of the valves and seats in your car.

A variety of solid materials with inherent lubricating capability are available for use in solid-film lubricants. The most commonly used are