Hazard class 8: Corrosive substances
The dangerous goods regulations define corrosive substances as a substance that by a chemical action, causes irreversible damage to the skin, or in the case of a leakage, will materially damage or even destroy other goods or the means of transport. Corrosive substances can be both a solid and liquid form.
Although Class 8 dangerous goods do not have any other divisions, corrosive substances have been assigned a packing group which indicates the degree of danger.
Packing Group I: Substances presenting high danger
Packing Group II: Substances presenting medium danger
Packing Group III: Substances presenting low danger
|Packing group||Exposure time||Observation period||Effect|
|I||≤ 3 min||≤ 60 min||Full thickness destruction of intact skin|
|II||> 3 min ≤ 1h||≤ 14 d||Full thickness destruction of intact skin|
|III||> 1 h ≤ 4h||≤ 14 d||Full thickness destruction of intact skin|
|III||-||-||Corrosion rate on either steel or aluminium surfaces exceeding 6.25 mm a year at a test temperature of 55 ºC when tested on both materials|
Examples of commonly transported explosives
Class 8 dangerous goods examples are acid batteries fluid, alkali batteries fluid, formaldehyde, hydrochloric acid, iodine, methacrylic acid, nitric acid, sulphuric acid.
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