GB/T 14853.5 - 2013 specifies the determination of the particle size distribution of carbon black granulated for rubber. The standard details the whole process from sample preparation, selection of screening equipment, to screening operation and data processing. The particle size distribution has a significant impact on the dispersion of granulated carbon black in rubber and product performance. This standard provides a unified measurement method for carbon black production enterprises and rubber processing enterprises to help accurately control the product mass, optimize the production process, ensure the stable application of granulated carbon black in the rubber industry, and promote the standardization of granulated carbon black testing for rubber.