NRC: 0.9 Density: 6-12 Kg/m³
NRC: 0.85
NRC: 0.83 Density: 750 - 800 Kg/m³
NRC: 0.6 - 0.83 Density: 750 - 800 Kg/m³
NRC: 1 Density: 100 - 120 Kg/m³
NRC: 0.95 Density: 400 Kg/m³
NRC: 0.8 Density: 800 Kg/m³
NRC: 0.8 Density: 200 Kg/m³