ADR packing instruction P500
Heading in ADR: “P500 PACKING INSTRUCTION”
UN 3356 oxygen generators: PG II drums, boxes or jerricans; one generator firing must not set off others, ignite packaging or heat surface above 100 °C.
Covers UN 3356. Removable-head drums, boxes or removable-head jerricans meeting packing group II performance are allowed. The package must be such that if one generator inside is actuated, no other generator fires, the packaging material does not ignite and the outer surface stays at or below 100 °C.
| Value | Applies when |
|---|---|
| 100 °C | maximum outer surface temperature if one generator actuates |
| Type | Code | Packing groups | Max capacity (L) | Max net mass (kg) |
|---|---|---|---|---|
| drums | 1A2, 1B2, 1N2, 1H2, 1D, 1G | II | — | — |
| boxes | 4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2 | II | — | — |
| jerricans | 3A2, 3B2, 3H2 | II | — | — |
Refers to: 4.1.1; 4.1.3.
Carried by 1 Table A entry
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P500, page 116.
Paraphrase in FreightUtils' own words, not the official text. Not yet reviewed.
ADR 2027 amendments (accepted, applying from 1 January 2027) are not yet reflected on this page.