Title: Second delay fuse
Application Number: 03112095 Application Date: 2003.04.04
Publication Number: 1535940 Publication Date: 2004.10.13
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C06C5/04
Applicant(s) Name: Zhang Fengchen Address: 276000
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The present invention relates to a blasting fuse, specially it is a second delay blasting fuse. It adopts black powder as delay composition, its production process is identical to that of general fuse, the delay composition formkula contains S (potassium nitrate), K (sulfur powder) and C (wood charcoal powder), their weight portion ratio is as follows: S (16-21), K 64-76 and C 7-19. Said invented blasting fuse has good combustion property, high combustion accuracy and long storage time, and its production process is simple and cost is low.
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