P401 PACKING INSTRUCTION P401

The following packagings are authorized, provided that the general provisions of 4.1.1 and 4.1.3 are met:

  1. Pressure receptacles, provided that the general provisions of 4.1.3.6 are met. They shall be made of steel and subjected to an initial test and periodic tests every 10 years at a pressure of not less than 0.6MPa (6 bar, gauge pressure). During carriage, the liquid shall be under a layer of inert gas with a gauge pressure of not less than 20 kPa (0.2 bar).

  2. Combination packagings

    Outer packagings:

    • Drums (1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1G);
    • Boxes (4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2);
    • Jerricans (3A1, 3A2, 3B1, 3B2, 3H1, 3H2).

    Inner packagings:

    • Glass, metal or plastics which have threaded closures with a maximum capacity of 1 L.

    Each inner packaging shall be surrounded by inert cushioning and absorbent material in a quantity sufficient to absorb the entire contents.

    The maximum net mass per outer packaging shall not exceed 30 kg.

Special packing provision:

PP31
For UN Nos. 1183, 1242, 1295, 2965 and 2988, packagings shall be hermetically sealed.