LX-14LX-14 and LX-14-0 are polymer-bonded explosives developed by Lawrence Livermore [National Laboratory] and used in nuclear weapons in the United States.IngredientsLX-14 is made of HMX explosive powder and Estane and 5702-Fl plastic binders.PropertiesLX-14-0 has a density of 1830 kg/m3, detonation velocity of 8,830 m/s and detonation pressure of 37 GPa.