FIELD: construction.
SUBSTANCE: composition for production of loose heat insulation materials includes wastes of woodworking industry - wood chips, treated with a copper mixture, slaked lime and building gypsum at the following ratio of components (vol. %): Wood chips - 49-68, slaked lime - 20-30, building gypsum - 10-20, copper mixture - 1-2.
EFFECT: increased heat insulating properties, low caking capacity, simplified composition, expansion of a raw materials base and low cost of a heat insulation material.
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