Primary - Explosives

A heavy-metal-free compound, though it sometimes suffers from poor performance in extreme cold.

Lead azide can react with atmospheric CO2CO sub 2 Primary Explosives

): The most common military primary, preferred for its stability under loading and excellent initiation ability. Lead Styphnate ( C6HN3O8Pbcap C sub 6 cap H cap N sub 3 cap O sub 8 cap P b A heavy-metal-free compound