Semi anechoic chamber

The semi-anechoic chamber is 8 sqm and is made up with insulating concrete blocks.
Main physical characteristics of soundproof materials are:

Type of material: poliuretanic soft foam NG 35 type
Density: 35 kg/mc
Thermal conductivity coefficient: 0.034 W∙m-1∙K-1
Fire classification (EU): Class 2, self-extinguishing
Temperature resistance: -50 +110 °C
Panels dimension: 1000 x 1000 mm
In view surface: pyramidal
Thickness: 100 mm