|Flammable Solids or Substances
|| Desensitized explosives that when dry are explosives of Class 1 and are
specifically authorized by name or have been assigned a shipping name
and hazard class by the Associate Administrator.
Self-reactive materials,which are thermally unstable and that can
undergo a strongly exothermic decomposition even without participation
Readily combustible solids that can cause a fire through friction and
show a burning rate faster than 2.2 mm (0.087 inches) per second, or
metal powders that can be ignited and react over the whole length of a
sample in 10 minutes or less.