GB/T 21599-2008 specifies the method of dangerous goods Encasement dropping test. It specifies the specifications of test equipment, such as drop testers. For different types of dangerous goods Encasement, detail the preparation of samples, including the placement of simulated items in the Encasement. During the test, let the Encasement fall freely from the specified height according to the provisions of the center of gravity, drop surface and angle of the Encasement. By observing the damage and leakage of the Encasement and the contents, judge the protection ability of the Encasement to dangerous goods. This standard provides unified test specifications for the production and use of dangerous goods Encasement, ensures the safety of dangerous goods transportation and storage, and promotes the Encasement industry to meet the protection needs of dangerous goods.