Firing cap composition containing lead styphnate

Details Firing cap composition containing lead styphnate Firing cap composition containing lead styphnate

1985-10-01

1986-08-12

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Containing nitrated metallo-organic compound

Nitrated organic compound of lead

149110, 149111, 149114, 102204, C06B 4102

Patent

active

046054537

ABSTRACT:
A conducting composition suitable for use in a firing cap is disclosed. The conducting composition comprises normal lead styphnate which has a mean particle size not less than 55 microns, in admixture with carbon black which has a mean aggregate size between 5 microns and about 15 microns. The conducting composition has less sensitivity than known conducting compositions and therefore when used in a conducting cap renders the cap less likely to unintential ignition by induced e.m.f. such as from radio transmitters or the like.

REFERENCES:
patent: 3320104 (1967-05-01), Stadler et al.
patent: 3321343 (1967-05-01), Staba

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