FIELD: manufacture of building materials, in particular, raw material mixes for production of composite materials. SUBSTANCE: used as filler is waste paper including moisture-proof and special ones, or wastes of fibrous materials ground to particle size up to 30 mm with moisture content ensuring melting of binding agent at the preset process parameters. Binding agents are used in the form of thermoplastic materials or their mixtures with melting point not exceeding the temperature of destruction of filler, ground to obtain fraction sizes ensuring uniform mixing with filler to obtain homogeneous molding composition with content of binding material of not more than 20% of mass of absolutely dry filler. EFFECT: improved technical parameters of articles with ecological safety of material. 2 cl, 1 tbl
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