ADR packing instruction P402
Heading in ADR: “P402 PACKING INSTRUCTION”
Steel pressure receptacles at 6 bar, combination packagings (glass 10 kg / metal or plastics 15 kg inners, 125 kg outer), 1A1 drums or 6HA1/6HB1 up to 250 l.
Four options. (1) Steel pressure receptacles meeting 4.1.3.6, tested initially and every 10 years at 0.6 MPa (6 bar gauge) or more, with the liquid under an inert gas blanket of at least 20 kPa (0.2 bar). (2) Combination packagings in drums, boxes or jerricans of the listed types, with threaded-closure inners of up to 10 kg (glass) or 15 kg (metal or plastics), each surrounded by inert cushioning and absorbent material able to take the whole contents, and up to 125 kg net per outer. (3) Steel drums 1A1 of up to 250 litres. (4) Composite packagings 6HA1 or 6HB1 of up to 250 litres.
| Value | Applies when |
|---|---|
| 6 bar | minimum test pressure of steel pressure receptacles (0.6 MPa gauge) |
| 0.2 bar | minimum inert gas blanket gauge pressure |
| Type | Code | Packing groups | Max capacity (L) | Max net mass (kg) |
|---|---|---|---|---|
| steel pressure receptacles — inner: subject to 4.1.3.6 | — | — | — | — |
| combination: drums — inner: glass max 10 kg; metal or plastics max 15 kg; threaded closures | 1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1G | — | — | 125 |
| combination: boxes — inner: glass max 10 kg; metal or plastics max 15 kg | 4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2 | — | — | 125 |
| combination: jerricans — inner: glass max 10 kg; metal or plastics max 15 kg | 3A1, 3A2, 3B1, 3B2, 3H1, 3H2 | — | — | 125 |
| single: steel drums | 1A1 | — | 250 | — |
| composite: plastics receptacle in steel or aluminium drum | 6HA1, 6HB1 | — | 250 | — |
| special packing provisions referenced | RR4, RR7, RR8 |
|---|
Refers to: 4.1.1; 4.1.3; 4.1.3.6.
Carried by 21 Table A entries
UN 1389 · UN 1391 · UN 1392 · UN 1411 · UN 1420 · UN 1421 · UN 1422 · UN 1928 · UN 3129 · UN 3130 · UN 3148 · UN 3184 · UN 3185 · UN 3187 · UN 3188 · UN 3398 · UN 3399 · UN 3482
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P402, page 109.
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.