PHOTOFLASH POWDER COMPOSITION #4
COMMENTS: Heat of reaction: 8.989 kJ/g; gas volume: 15 cm3/g; ignition temperature: 700°C; impact sensitivity test: 26% of TNT. Half (1/2) a pound of this flash delivers 120 million candlepower. It is used in the M120A1 and M112A1 flare cartridges.
PREPARATION (parts by weight):