Hangsterfer’s Rust Coats are general purpose; oil based rust inhibitors designed for use in a variety of applications. With their wide range of viscosities, Hangsterfer’s Rust Coats can be used for both short and long term protection on parts, as an additive in cutting oils or to flush and protect your machine tool when changing oils. Rust Coats are formulated for use on all metals. Their non-hazardous formulation provides for a safe workplace environment and easy waste disposal.