FIELD: construction.
SUBSTANCE: fire-resistant composite panel includes two surface layers from a metal and an inner connecting central layer on the basis of a polyethylene composition, representing a homogeneous phase filled with microspheres of carry-over ashes produced from burning of coals, inner cavities of which are filled with a fire retardant, such as crystals of ammonium polyphosphate and crystals of pentaerithrite.
EFFECT: fire resistance, manufacturability of production, relatively low labour intensiveness and cost of an item.
1 cl, 2 dwg
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