FIELD: building industry. SUBSTANCE: the composition for manufacturing a heat-protecting coating comprises (wt parts): 70-120 novolac type phenol formaldehyde resin; 7- 12 industrial urotropine; 30-70 acrylic nitrile rubber; 1-2 calcium stearate; 280-385 marchalite (natural quartz), 25-45 chrysotile asbestos; 15-30 azoisobutyronitrile; 0.01-1 sodium alkyl sulfonate. The strength of the resulting coating when compressed is 14.0-17.5 MPa and 5.5-8.0 MPa when stretched. EFFECT: improved properties of the composition.
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