The standard "ISO Coating and varnish - Volume 1.1: General Test Methods" provides a unified technical specification for basic performance testing of Coating and varnish. This standard covers a number of general test methods including viscosity determination, drying time evaluation, Color measurement, etc., specifying test conditions, instrument requirements and data recording methods in detail. Through standardized test procedures, this specification provides a scientific basis for the research and development, mass monitoring and performance verification of Coating and varnish products. This standard helps to improve the conformity and Reliability of products, and at the same time lays the foundation for technical exchange within the industry and international trade cooperation. It is an important reference for technical personnel in Coating and related industries.