Corrosive substances - Substances which:
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current | 03:02, 21 August 2016 | 719 × 720 (12 KB) | Orwiki (talk | contribs) | Corrosive substances - Substances which: * Cause full thickness destruction of intact skin tissue on exposure time of less than 4 hours; or * Exhibit a corrosion rate of more than 6.25 mm per year on either steel or aluminium surfaces at 55 °C |