Composition 60 Barium chromate 26 Zirconium-nickel alloy 14 Potassium perchlorateDescriptionHeat of reaction: 2.081 kJ/g; Gas volume: 12 cm3/g; Ignition temperature: 485°C; impact sensitivity test: 23 % of TNT. Source: Kirk-Otthmer technical encyclopedia[8], chapter 'Explosives and Propellants'.