Spds Electric Detonators have a detonation Cord AND Cord Relays 3 and 4. SPD’s have delay numbers ranging from 0 – 20; with the normal time interval of 25 milliseconds between successive delay numbers.
Fine heads are fitted to the shells.
Directions of Usage
Provided by our field team members.
Safety Instructions and procedures
The Fuse head is maintained by a fully automated process and strict quality control.