Finishing compound suitable for acoustic supports
A finishing compound having acoustic properties and including in percentage by weight relative to the total weight of the product, at least 10 to 70% of water; 0.1 to 5% of a foaming agent; 0.1 to 5% of a thickening agent; 35 to 70% of a monogranular filler having a size greater than or equal to 100 μm and excluding fine fillers; 0.1 to 8% of synthetic or animal fibers; 0.5 to 35% of binder.
1. A product comprising in percentage by weight relative to the total weight of the product, at least
10 to 70% of water;
0.1 to 5% of a foaming agent;
0.1 to 5% of a thickening agent;
35 to 70% of a monogranular filler having a size greater than or equal to 100 μm and excluding fine fillers;
0.1 to 8% of synthetic or animal fibres;
0.5 to 35% of binder.
2. The product according to claim 1 , comprising from 0.7 to 1.4% of a thickening agent.
3. The product according to claim 1 , comprising xanthan gum.
4. The product according to claim 1 , further comprising from 0.01 to 0.5% of a dispersing agent.
5. The product according to claim 1 , comprising calcium carbonate as a monogranular filler wherein the D 50 is greater than or equal to 100 μm.
6. The product according to claim 1 , wherein the synthetic fibres are polyamide fibres.
7. The product according to claim 1 , further comprising from 0.05 to 1% of a wetting agent.
8. The product according to claim 1 , wherein a quantity of product after one single application on the support is from 0.9 to 3.5 kg/m 2 .
9. The product according to claim 1 , further comprising from 0.01 to 5% of a coalescing agent.
10. The product according to claim 1 , further comprising one or more photocatalytic pigments.
11. A finishing compound comprising a product according to claim 1 .
12. The finishing compound according to claim 11 , wherein the compound is permeable to air.
13. The finishing compound according to claim 11 , wherein the compound is a compound which does not modify the permeability to air of the support on which it is applied.
14. A gypsum panel on which is applied the finishing compound according to claim 11 .
15. A method comprising preparing a finishing compound according to claim 11 for the production of elements for the construction field.
16. The product according to claim 4 , comprising from 0.05 to 0.15% of the dispersing agent.
17. The product according to claim 5 , wherein the D 50 is from 100 μm to 2 mm.
18. The product of claim 1 , wherein the fine fillers have a median diameter D 50 less than 100 μm.