Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Linacoustic
Original description
Mat-faced, smooth, R duct liner (Manville Linacoustic)
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 1 1/2 inch | αw0.77 | |
| 1 inch | αw0.66 |
Weight / density: 0.31 lb/ft²
Dimensions: roll
Distance: 0
