Posted by Dr. Walt on February 08, 2014 at 01:05:38 from (12.2.223.79):
In Reply to: Re: OT: Blasting Caps posted by Richard from SE AZ on February 07, 2014 at 21:22:38:
I'm a retired underground miner / Top Millwright and like Richard, I have used thousands of blasting caps. If your caps are Electric Caps (wires attached to each cap) the wires need to be shorted either by having the bare ends twisted together, a Fahnstock Clip on the ends, or a small metal foil wrapping. Without being shorted, they could be set off by static electricity. If they are Fuse Caps (open on one end), there are two variations - the newer Aluminum cased caps, and the old style Copper cased caps. The Aluminum caps are a little bit safer as the internal composition was changed so that they are not as sensitive to shock as the old Copper caps. The old Copper caps had a Mercury Fulminate / Lead Azide composition and are very shock sensitive. Also, over time the Mercury Fulminate will react chemically with the Copper and form EXTREMELY SENSITIVE metallic salts of Fulminate.
As Richard stated, NOTIFY YOUR LOCAL AUTHORITIES and let them deal with it. Most large Law Enforcement agencies have a Bomb Squad that are specially trained to handle explosives.
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