FIELD: chemistry.
SUBSTANCE: invention relates to pyrotechnical compositions for obtaining low-temperature mixed gas in gas generators of blowing elastic capacities of rescue systems of underwater apparatuses, as well as rescue facilities (rafts, ladders, chassis, boats, jackets). Pyrotechnical composition includes, wt %: 62.5-75.5 nitroguanidine, 14.0-20.0 ammonium perchlorate, 5.0-11.0 urotropin, 3.5-2.5 butadienenitrile rubber, 1.5-2.5 phenolformaldehyde resin and 0.5-1.5 of aluminium-magnesium powder.
EFFECT: composition is characterised by residual gas productivity, low molar weight of combustion products, low combustion temperature, reliable inflammability, minimal content of condensed phase in combustion products, stability of combustion process in wide range of pressures and high tensile strength of pressed charges.
3 tbl, 5 ex
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