t.akustik 5020 Pyramidenschaum 2-er Set
t.akustik 5020 Pyramid Foam Set of 2, Foam Absorber, Set of 2 absorbers, Pyramid foam, Dimensions: 1 m x 1 m x 7 cm, Pyramids: 50 mm base + 20 mm pyramid, Material: Polyurethane flexible foam, Colour: Anthracite, Bulk density: 18.0 +/- 1.5 kg/m3 DIN EN ISO 845, Compression hardness at 40%, Deformation: 3.0 +/- 0.5 kPa DIN EN ISO 3386-1, Number of cells: 15/lfcm +/-2, In accordance with DIN 4102; Building material class: B3 (highly flammable), Quantity per order: 2 Pieces (delivered in cardboard packaging, For the purposes of working with and installing the absorbers, it is recommended to purchase ""acoustic adhesive""