FIELD: construction.
SUBSTANCE: group of inventions relates to sheet material and a floor panel based on sheet material. Sheet material with at least two layers of material, besides, the first layer of material forms more than half of thickness of sheet material and consists of wood particles glued by means of the first binding substance and pressed. First binder is thermosetting. Second layer of material is present on the surface of the said sheet material and consists of dispersed particles glued by means of the second binder and compacted. Second binder is thermoplastic and is selected from polyvinyl butyral, wherein the dispersed particles are coated with a thermosetting binder before gluing and pressing.
EFFECT: improved sound insulation.
27 cl, 9 dwg
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