... 780gCarton box 3.Protection against objects(examples) 3.1 .First class: chemical agent: Hydrocyanic acid, cyanogens chloride, arsine, phosgene, ... disulfide, carbon tetrachloride, nitroalkanes, and etc; 3.2.Second class: biological bacteria: The plague, cholera, anthrax, etc; 3.3Third ... class: radioactive substance: Radioactive dust. 3.Packing: per unit ...