ADR packing instruction P502
Heading in ADR: “P502 PACKING INSTRUCTION”
Oxidizing liquids: inners of 5 l in drums or boxes up to 125 kg (4H1 60 kg), single drums 250 l, jerricans 60 l, composite packagings.
Combination packagings use glass, metal or plastics inners of up to 5 litres in drums or boxes of the listed types, up to 125 kg net (60 kg for expanded plastics boxes). Single non-removable head drums of steel, aluminium or plastics up to 250 litres, jerricans up to 60 litres, and composite packagings (250 litres for plastics receptacles in drums, 60 litres in crates or boxes and for glass receptacles) are also allowed. General rules 4.1.1 and 4.1.3 apply.
| Type | Code | Packing groups | Max capacity (L) | Max net mass (kg) |
|---|---|---|---|---|
| combination: drums — inner: glass, metal or plastic, max 5 l each | 1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1D, 1G, 1H1, 1H2 | — | — | 125 |
| combination: boxes — inner: glass, metal or plastic, max 5 l each | 4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H2 | — | — | 125 |
| combination: expanded plastics boxes — inner: max 5 l each | 4H1 | — | — | 60 |
| single: drums | 1A1, 1B1, 1H1 | — | 250 | — |
| single: jerricans | 3A1, 3B1, 3H1 | — | 60 | — |
| composite: plastics receptacle in drum | 6HA1, 6HB1, 6HG1, 6HH1, 6HD1 | — | 250 | — |
| composite: plastics receptacle in crate or box | 6HA2, 6HB2, 6HC, 6HD2, 6HG2, 6HH2 | — | 60 | — |
| composite: glass receptacle | 6PA1, 6PB1, 6PG1, 6PD1, 6PA2, 6PB2, 6PC, 6PG2, 6PD2, 6PH1, 6PH2 | — | 60 | — |
| special packing provisions referenced | PP28 |
|---|
Note. The PDF limit columns are offset by one row; the 60 kg limit was aligned to 4H1 by counting rows (6 drum, 10 box rows).
Refers to: 4.1.1; 4.1.3.
Carried by 4 Table A entries
UN 1873 · UN 3098 · UN 3099 · UN 3139
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P502, page 118.
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.