Anti-rust coating, also known as rust inhibitor or rust preventative, is a type of coating that is applied to the metal surfaces of a car to prevent rust and corrosion from forming.

The coating creates a barrier between the metal and the environment, preventing moisture, oxygen and other elements from coming into contact with the metal and causing rust.

Anti-rust coatings come in various forms, such as liquids, sprays or paints. They can be applied to the car’s body, undercarriage, and other metal parts.

The application process usually involves cleaning the metal surface, removing any existing rust and then applying the coating. Some coatings require more than one coat and some need to be cured or dried before it can be exposed to the environment.

Anti-rust coatings can provide long-term protection for the metal parts of a car, by slowing down the oxidation process and maintaining the car’s appearance and value.
They can also prevent rust from spreading, which can help to reduce the cost of repairs and prolong the life of the car.

It’s important to note that anti-rust coatings do not provide permanent protection, and will need to be reapplied periodically, depending on the manufacturer’s recommendations and the conditions in which the vehicle is driven.