Packing instruction P404

P404 PACKING INSTRUCTION P404 This instruction applies to pyrophoric solids: UN Nos.: 1383, 1854, 1855, 2008, 2441, 2545, 2546, 2846, 2881, 3200, 3391 and 3393. The following packagings are authorized, provided that the general provisions of 4.1.1 and 4.1.3 are met: (1) Combination packagings: Outer packagings: Drums (1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1G); Boxes (4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H2). Inner packagings: Metal receptacles with a maximum net mass of 15 kg each. Inner packagings shall be hermetically sealed; Glass receptacles, with a maximum net mass of 1 kg each, having closures with gaskets, cushioned on all sides and contained in hermetically sealed metal cans. Outer packagings shall have a maximum net mass of 125 kg. Inner packagings shall have threaded closures or closures physically held in place by any means capable of preventing backoff or loosening of the closure by impact or vibration during transport. (2) Metal packagings: Drums (1A1, 1A2, 1B1, 1B2, 1N1, 1N2); Jerricans (3A1, 3A2, 3B1, 3B2). Maximum gross mass: 150 kg (3) Composite packagings: Plastics receptacle in a steel or aluminium drum (6HA1 or 6HB1). Maximum gross mass: 150 kg (4) Pressure receptacles, provided that the general provisions of 4.1.3.6 are met. Special packing provision: PP86 For UN Nos. 3391 and 3393, air shall be eliminated from the vapour space by nitrogen or other means.