This standard specifies the technical requirements, test methods, inspection rules and markings, Encasement, transportation and storage of bilge Coatings in the engine room. It is applicable to the Coating system of the bilge of the main engine, auxiliary engine and pump cabin of steel ships. The standard aims to ensure the anti-corrosion performance and adhesion of Coatings in harsh environments. It provides a number of technical indicators and test methods including fineness, drying time, salt spray (fog) resistance, etc., providing normative guidance for the production and application of ship bilge Coatings, which helps to improve the service life and safety of ships.