GB/T 20027.1-2016 specifies the steel ball method for the determination of Breaking strength of rubber or plastic-coated fabrics. It details how to determine the Breaking strength of such fabrics with the help of steel balls, including the requirements of the test equipment, the preparation process of the sample, the specific test steps and the calculation method of the results. The standard provides a unified and standardized Operation mode for accurately evaluating the performance of such fabrics in terms of cracking resistance, which helps to ensure product mass and is suitable for the production and testing of related fabrics.