Armcoltherm Clean OS Environmentally Friendly Heat Transfer System Hydrocarbon Cleaner is a fast-acting, non-toxic organic solvent cleaner that is gentle on the environment. With its superior permeability, this cleaner effectively removes oil coke and is easy to use. After use, it can be recycled, making it a sustainable choice. It is also safe to use and will not cause any harmful reactions to the material. This cleaner is capable of quickly dissolving mineral oil, heat transfer oil, oxidized oil sludge, and heavy coke.