This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of p-phenylenediamine. This standard applies to the product quality control of p-phenylenediamine.
GB/T 25789-2010 ρ-Phenylenediamine was changed to ASME B30.2-1967 Overhead and Gantry Cranes (Top Running Bridge, Single or Multiple Girder, Top Running Trolley Hoist).