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:F1
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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. |