Profile: Royal Coatings, Inc. focuses on corrosion protection for marine and offshore markets. We offer multi-purpose chemicals such as water based cleaners, solvents, corrosion inhibitor, acids and fuel treatments. Our Royal 57 is designed as a light rust stripper, which is used for the removal of rust stains on paint. Our RC-90 is a combination corrosion and scale inhibitor that is used in closed cooling systems.