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STRUCTURAL FEATURES OF
Electric detonators or electric blasting caps Contd
Delay electric detonators
1 other sections not shown
Air space bridge plug bridgewire Bureau of Mines centimeters Figure charge Base charge charge Priming charge commercial detonators complete with leg composite seal compound charge copper alloy Cross-sectional diagram delay detonators delay electric detonator delay powder delay tube detonator containing detonator with match detonator with reinforcing detonator with vent diagram of typical diameter Thickness Dimensions in centimeters electric blasting caps ethyl cellulose example F explosive charges gilding metal gram head and reinforcing ignition charge ignition composition ignition material Inches Cm inner capsule Inner reinforcing capsule lead azide Lead styphnate Length Outside diameter match head mercury fulminate Mines key number nitrocellulose pentaerythritol tetranitrate PETN potassium chlorate Priming charge Base reinforcing capsule example safety fuse seal example seismographic side Thickness silver azide specimens Bureau static electricity Sulfur seal Asphalt tetryl Thickness of bottom Thickness of side type of ignition typical electric detonator typical fuse detonator ventless delay electric Weight of explosive