Efficient acoustic insulation working at a wide range of frequencies extending from 125 Hz to 4000 Hz. 200 cm x 140 cm panel.
Composition :

• Polyurethane film (25 μ) with density of 120 kg/m³. 100% sealed. washable and resistant to hydrocarbons and solvents.
• Absorbing polyurethane foam with density of 120 kg/m³ operating at low frequencies.

The ground panel model allows to stop low frequencies.