Dibromodifluoromethane 2 : Vaporizing liquid fire extinguishing agent. See: Halon 1202. More effective on a weight-of-agent basis than Halon 1301 but more toxic. Used by U. S. Air Force for aircraft engine protection systems
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}