This part of the standard specifies the method for determining the total mass, coating mass and base fabric mass of rubber or plastic coated fabrics. Users need to be familiar with laboratory operating procedures and develop corresponding safety and health systems to ensure compliance with national regulations. The standard cites the provisions of GB/T 24133-2009 on standard environment. Balance with accuracy of not less than 1 mg is required during the determination process and the relative humidity and temperature of the environment are maintained. The cutter should be able to cut a sample from the sample that meets the regulations.