FIELD: metallurgy.
SUBSTANCE: heat insulation mixture contains organic and mineral components. Mixture contains as mineral component lime CaO, bauxite and silica. Mixture of cereal crop (except rice) husk, wood dust or fine chips subjected to hydrothermal treatment at presence of CaO. Components are taken at next relation, mass.%: organic cellulose, 60 - 70; lime CaO, 20 - 25; bauxite, 1.5 - 2.5; silica, 10 - 11.
EFFECT: improved heat insulation properties, lowered cost price of mixture.
1 ex
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