FIELD: devices for noise protection or noise suppression.
SUBSTANCE: invention relates to a composite sound-insulating panel from plywood with a polymer layer, intended for use in automotive, ship and aircraft building, in civil and industrial construction to reduce structural and air noise in various structures. Plywood panel with polymer layer contains two layers of plywood connected by polymer layer, at that polymer layer is made of self-adhesive damping composition based on butyl rubber.
EFFECT: invention provides improved sound insulation properties of the composite soundproof panel made of plywood with a polymer layer.
4 cl, 1 dwg, 1 tbl
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