pyrotechnic compositions thermo-initiables, use.

The present invention relates to pyrotechnic compositions comprising, expressed as percentages by weight: 10 to 80% of GUDN, 10 to 80% of ONTA, 3 to 60% of NG.Elle particularly relates to compositions consisting essentially of, expressed in percentages by weight: 20 to 70% of GUDN, 20 to 70% of ONTA, 5 to 60% of such NG.De pyrotechnic compositions are pyrotechnic compositions efficient thermo-initiables.