FIELD: chemistry.
SUBSTANCE: invention relates to structural materials and can be used in construction, shipbuilding and atomic industry for fire-protection of service and living quarters in fire-resistant structures, as well as the middle layer of panels that are lined with decorative materials. The crude mixture for producing fire-resistant structural material contains, wt %: expanded vermiculite 56-64, liquid glass 20-24, sodium hexametaphosphate 3-5, dolomite 13-15. The invention is developed in subclaims.
EFFECT: high water-resistance, low water absorption while maintaining strength properties and fire-resistance.
5 cl, 6 ex, 1 tbl
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