The difference of the delay time of non-primary detonator was compared by using PETN and RDX as the excitation powder,and the data were analyzed based on hot spot initiation theory.

• 为了探讨激发药对无起爆药雷管延期时间的影响,通过对比PETN和RDX分别作为激发药引起无起爆药雷管延期时间的差异,根据热点起爆理论对数据进行分析。