: A blasting cap typically contains two types of explosives: a small amount of highly sensitive primary explosive (like silver azide or lead azide) and a larger base charge of high explosive.
: The heat causes the primary charge to detonate first, creating a chemical reaction wave front that sets off the main charge, which then triggers the larger explosive nearby. Cultural and Historical Context Blasting Cap - song and lyrics by Acid King - Spotify blasting cap
A , also known as a detonator , is a small, sensitive explosive device used to trigger larger, less-sensitive secondary explosives like dynamite or C4. : A blasting cap typically contains two types