The TB/T 2260-2001 standard specifies the technical requirements, test methods, inspection rules and Encasement, Encasement marks, transportation and storage of anti-rust undercoats for railway rolling stock. This standard applies to anti-rust undercoats for steel structures such as railway rolling stock and railway transportation containers, but does not apply to mastic alkyd paints used in railway freight cars. The standard refers to a series of relevant standards such as GB/T 1728-1979 (determination of drying time of paint film and putty film), GB/T 1732-1993 (determination of impact resistance of paint film), etc., to ensure the durability and anti-corrosion performance of undercoats under various environment conditions. Encasement requirements and storage conditions for undercoats are specified in detail to ensure product mass and safety in use.