Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Type M
Original description
Duct liner, matte facing
ISO 354 – reverberation chamber· 6 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 2 inches | αw0.83 | |
| 1 1/2 inch | αw0.78 | |
| 1 1/2 inch | αw0.76 | |
| 1 inch | αw0.69 | |
| 1 inch | αw0.63 | |
| 1/2 inch | αw0.46 |
Weight / density: 0.24 lb/ft²
Dimensions: roll
Distance: 0
