Abstract: Factors that influence the delay precision of commerical delay detonator were introduced.The charging and pressing technique, variation and time variation law of the composition, the powder processing was discussed.

• 文摘:介绍了工业延期雷管延期精度的影响因素，并对装配工艺中的装压药工艺方法、药剂变化原因、药剂时间变化规律和制药工艺控制进行了讨论。