By Little Pro on 2016-01-07 Views: Update:2017-01-18
Class 4 dangerous goods include flammable solids, substances liable to spontaneous combustion and substances which, in contact with water, emit flammable gases. There are three sub-divisions:
Commonly transported class 4 dangerous goods include sulphur, matches, activated carbon, alkali metals and some metal powders.
The picture below shows hazard symbols for Class 4 dangerous goods. More info about the marking and labelling of dangerous goods can be found here.