Photoflash

Composition

40  
Aluminium (20 micron; atomized)
30  
Potassium perchlorate (24 micron)
30  
Barium nitrate (150 micron)

Description

Heat of reaction: 8.989 kJ/g, Gas volume: 15 cm3/g, ignition temperature: 700°C, impact sensitivity test: 26% of TNT. half a pound of this flash delivers 120 million candlepowder. It is used in the M120A1 and M112A1 flare cartdriges.

Source: 
Kirk-Otthmer chemical encyclopedia[8]. Chapter 'Explosives and Propellants'.