FRSC 367 Study Guide - Midterm Guide: Deflagration, Explosive Material, Chemical Decomposition

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When provided with the proper confinement, they can produce an explosion through the failure of the containment vessel as a result of the generation of large volumes of gas. In this context, they are referred to as low explosives : unconfined, referred to as propellants, confined, referred to as low explosives, require deflagration. Explosives don"t require confinement (self-explosive= have their own oxidizers) Detonate (a specific chemical decomposition reaction characterized by the presence of a shock wave in the material) which are then further broken down by use type. Primary explosives are highly sensitive explosives used in small quantities which are very easy to initiate using an impulse such as heat, shock or friction. Secondary explosives are less sensitive to these impulses and are typically initiated by primary explosives. Within the classification of secondary explosives, a further distinction is made between products which can be initiated by a detonator and those which cannot.