FIRE EXTINGUISHING POWDER COMPOSITION Russian patent published in 2024 - IPC A62D1/06 

FIELD: fire-fighting equipment.

SUBSTANCE: invention relates to fire extinguishing compositions used as filler for fire extinguishers and modules, which are used to extinguish fires. Can be used in various industries for extinguishing combustible materials, mainly wood (class A fires), combustible liquids and gases (class B and C fires), combustible substances and materials of electrical installations under voltage (class E fires). Fire extinguishing powder containing monoammonium phosphate, white soot, also includes syenite concentrate, iron (III) oxide, modified silicon dioxide, graphite. Ratio of components is as follows, wt.%: monoammonium phosphate—70.2–77, syenite concentrate—16–17, iron (III) oxide—2–3, modified silicon dioxide—1.5–4, white soot—0.5–0.8, graphite—3–5.

EFFECT: improved dispersity, improved fire extinguishing ability, increased fluidity, reduced tendency to moisture absorption of fire extinguishing powder.

1 cl, 2 tbl