Fig. 5: Evaluation of the ignition performance of the primary explosive DPPE-1.

a the ignition performance test system. The exploder is a portable power supply, which is used to ignite the ignition head. b Explosion chamber. It is a metal box used to provide safety protection. c The combination of ignition head, detonator, and lead plate in the testing device. It is a key part for testing ignition performance. d–f Test results for the minimum primary charge (MPC).