Electrostatic sensitivity, strength, and no-fire current of short-delay detonators.
Bajpayee-TS; Mainiero-RJ; Hay-JE
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8989, 1985 Jan; :1-9
The Bureau of Mines evaluated short-delay coal mine detonators manufactured by three domestic companies for electrostatic sensitivity, strength, and no-fire current level. Electrostatic sensitivity was studied in pin-to-pin and pin-to-case modes employing 10-kV potential. Strength of detonation was measured in the Bureau's underwater test facility. No-fire current was measured using a constant-current power supply unit. Test procedures and experimental data are included.
Mining-industry; Coal-mining; Blasting-agents; Explosive-devices; Explosives
IH; Report of Investigations
NTIS Accession No.
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8989