Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Classic
Original description
Painted Linear lay-in board
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 1 1/2 inch | αw0.90 | |
| 1 inch | αw0.84 | |
| 3/4 inch | αw0.77 |
Weight / density: 0.38 lb/ft²
Dimensions: 24 x 48 inches
Distance: 400 mm
