FIELD: fire-fighting means.
SUBSTANCE: invention relates to fire-extinguishing powders based on alkali metals, having the ability to inhibit the process of burning at fire. The proposed means is a dry chemical powder based on mineral salts of alkali metals, which as a base contains cesium sulfate with a specific flow at surface firefighting of classes B1, B2 of 0.3-0.5 kg/m2, and at 3D fire fighting - 0.1-0.3 kg/m3, and for classes A1, A2 - 0.2-1.0 kg/m2 at surface firefighting, and 0.1-0.8 kg/m3 at 3D fire fighting.
EFFECT: the invention has high extinguishing capability at a much lower flow rate.
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