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Author
Bajpayee, T. S. | Mainiero, R. J. | Hay, J. E.
Title
Electrostatic Sensitivity, Strength, and No-Fire Current of Short-Delay Detonators.
Coporate
Bureau of Mines, Pittsburgh, PA
Report
RI 8989, 1985, 9 p.
Keywords
mine fires | detonators
Abstract
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 l0kV 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.