Low Explosive 3 : An explosive that deflagrates or burns rather than detonates, such as propellants, certain primer mixtures, black powder, photoflash powders, and delay compositions
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}