ADR tank special provision TC7

Effective minimum shell thickness must be at least 3 mm.

The shell's effective minimum thickness may not be under 3 mm.

Limits
ValueApplies when
3 mmeffective minimum shell thickness

Carried by 2 Table A entries

UN 3257

Source: ADR 2025 (ECE/TRANS/352), Volume II, section 6.8.4 (a), TC7, page 534.

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.