ADR special provision 23
Explanatory: the substance is flammable only under extreme fire conditions in confined spaces.
Information note: although the substance carries a flammability hazard, that hazard shows itself only in severe fires within enclosed spaces. It sets no extra carriage requirement.
Carried by 3 Table A entries
Source: ADR 2025 (ECE/TRANS/352), Volume I, section 3.3.1, special provision 23, page 609.
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.