Pressure Desensitization of a Gassed Emulsion Explosive in Comparison with Micro-balloon Sensitized Emulsion Explosives

The detonability of a chemically gassed emulsion explosive has been studied in recent tests, after the study of three micro-balloon sensitized emulsion explosives. Blasting experiments in steel pipes and computer simulation have been carried out. This study showed that the gassed emulsion explosive and the micro-balloon sensitized emulsion explosives have different desensitization features. Namely, the gassed emulsion explosive can recover its detonability very rapidly after the pressure vanishes, in contrary to the micro-balloon sensitized explosives.