FIREPROOF SOUND ABSORBING 100X150CM THICKNESS 25MM

Sound-absorbing and sound-insulating panels with glass fibre fabric ISO 4589-3 1) Aluminised glass fibre fabric 400 g/m3; 2) Polyurethane 70/90 kg/m3, thickness 15 mm; 3) EPDM mass, thickness 2.5 mm (4.9 kg/m2); 4) Polyurethane 70/90 kg/m3, thickness 10 mm; 5) Adhesive Tested according to ISO 4589-3 by determining the oxygen index with a high temperature test. Certified by RINa. for the acoustic insulation of engine rooms of pleasure craft up to 24 m. Sheets measuring 100x150 cm Thickness 25 mm kg/m2 8.28 Sound absorption A* 7 Sound impedance B* 7 Oxygen index >21