This standard specifies in detail the requirements, test methods, inspection rules, marking, Encasement, transportation, storage, product accompanying documents and safety tips for dibutyl tin oxidation catalysts for Coating production. Applicable to the production of dibutyl tin oxidation catalysts for Coating from dibutyl tin dichloride and liquid alkali. In addition to Coating production, the catalyst is also suitable for Miscellaneous process, which implements the provisions of this standard. The standard also contains a description of the chemical properties of dibutyl tin oxidation. Cited documents include standards related to chemical reagent standard titration solution preparation, chemical product sampling, analytical laboratory water specifications and test methods, etc., to ensure that the production process meets the relevant requirements.