Finishing compound suitable for an acoustic support

摘要

The subject of the present invention is a finishing compound having acoustic properties and comprising, in percentage by weight relative to the total weight of the product, at least - 25 to 80% of water; - 0.1 to 5% of thickener; - 0.01 to 0.8% of dispersant; 10 to 60% of monogranular filler, the D50 of which is greater than or equal to 100 µm; - 0.5 to 6% of binder; and that does not comprise a foaming agent; and that has an air permeability after evaporation of the water between 800 and 6000 mks Rayls.