Boosters without detonator

Above reaction usually occurs under following conditions, e.g., unsealed explosive device, no booster, incomplete detonation reaction, such reaction may produce half-burst phenomenon and release a large amount of N2O. The reaction of nitroglycerine without any condition above can be described as follows ... 

Abel Powder or Picric Powder. A mixt for priming PA(picric acid) invented in 1869 by Sir F. A. Abel Amm pi crate 40 K nitrate 60% (Ref 1). French used a similar compn called Brugere(poudre). In Ref 2, the compn of picric powder is given as Amm picrate 43 A K nitrate 57% vel solid.dec without melting brisance — less than TNT ballistic strength ca 75% TNT deton rate ca 3500 m/s vs 6900 for TNT sensitivity to impact, rifle bullet and initiation — comparable to tetryl stability and compatibility with metals — comp arable to Amm picrate. Was used during WWII by the British as a booster in AP projectiles filled with Sbellite(qv)... 

Detonators which thus make use of the principle of the booster are known as compound detonators and are made both with and without reenforcing caps. Some manufacturers insert the reenforcing cap with the perforated end down, others with the perforated end up.20... 

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