Packing Instruction 553

Cargo aircraft only

General requirements

Part 4, Chapter 1 requirements must be met, including:

1) Compatibility requirements

- Substances must be compatible with their packagings as required by 4;1.1.3.

- Metal packagings must be corrosion resistant or be protected against corrosion for substances with a Class 8 subsidiary hazard.

2) Closure requirements

- Closures must meet the requirements of 4;1.1.4.

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                      COMBINATION PACKAGINGS
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            |         | Inner      | Inner packaging|
Packing     | Packing | packaging  | quantity (per  | Total quantity
instruction | group   | (see 6;3.2)| receptacle)    | per package
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            |         |   Glass    |     1.0 L      |
            |         |-----------------------------|
    553     |    I    |  Plastics  |     1.0 L      |     2.5 L
            |         |-----------------------------|
            |         |   Metal    |     1.0 L      |
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ADDITIONAL PACKING REQUIREMENTS FOR COMBINATION PACKAGINGS

Packing Group I

- UN 1873, parts of packagings which are in direct contact with perchloric acid must be constructed of glass or plastics.

- Inner packagings must be packed with sufficient absorbent material to absorb the entire contents of the inner packagings and placed in a rigid leakproof receptacle before packing in outer packagings.

OUTER PACKAGINGS OF COMBINATION PACKAGINGS (see 6;3.1)

Boxes                             Drums         
    
Aluminium (4B)                    Aluminium (1B1, 1B2)
Fibreboard (4G)                   Fibre (1G)
Natural wood (4C1, 4C2)           Other metal (1N1, 1N2)
Other metal (4N)                  Plastics (1H1, 1H2)
Plastics (4H1, 4H2)               Steel (1A1, 1A2)
Plywood (4D)
Reconstituted wood (4F)
Steel (4A)