# Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006 (Text with EEA relevance), Division 2.16.2.1: A substance or a mixture which is corrosive to metals is classified in a single category for this class, using the test in Part III, sub-section 37.4 of the UN RTDG, Manual of Tests and Criteria, in accordance with Table 2.16.1:

Extent: E+W+S+N.I.

Table 2.16.1
Criteria for substances and mixtures corrosive to metals
Category
Criteria
1
Corrosion rate on either steel or aluminium surfaces exceeding 6,25 mm per year at a test temperature of 55 oC when tested on both materials.

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Source: https://www.legislation.gov.uk/eur/2008/1272/annex/I/division/2/division/2.16/division/2.16.2/division/2.16.2.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-1272/annex-I/division-2/division-2.16/division-2.16.2/division-2.16.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.