The need for blasting caps arises from sensitivity issues of an explosive compound.
From the en.wikipedia.org
The copper structure can be formed on chips, then converted to an explosive compound.
From the sciencedaily.com
They have fuses, and are wrapped in a heavy paper casing to contain the explosive compound.
From the en.wikipedia.org
Forms an explosive compound with copper.
From the en.wikipedia.org
These projectiles, akin to dumdum bullets, contain a small aluminum canister filled with an explosive compound.
From the time.com
If the tool used to crimp the cap is used too close to the explosives, the primary explosive compound can detonate during crimping.
From the en.wikipedia.org
Riley bought two cases of the explosive compound, harmless until its two ingredients are mixed, and took them to Plainfield, according to the government.
From the al.com
Most blasting caps contain what is called a primary explosive, which is a high explosive compound that will explode from flame, heat or shock.
From the en.wikipedia.org
Authorities in Britain and Dubai, acting on a tip from Saudi intelligence, foiled the plot when they found PETN explosive compound hidden inside printer cartridges sent from Yemen.