topic03a - uq.edu.au
Nov 30, 2020·2. Degrees of flammability 2.1 Highly flammable substances have a very low boiling point, form vapours easily at room temperature and are easily ignited, e.g. petrol. 2.2 Flammable substances have a higher boiling point, form vapours less easily and require a higher temperature for ignition, e.g. diesel.