Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Original description
Wedge-shaped, polyurethane foam panels
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 4 inches | αw0.83 | |
| 3 inches | αw0.76 | |
| 2 inches | αw0.62 |
Weight / density: 0.67 lb/ft²
Dimensions: 24 x 48 in., 48 x 48 in.
Distance: 0
