Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
K13
Original description
Cellulose-base fiber, white, sprayed on, "carpet" finish
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 3 inch | αw0.94 | |
| 1 inch | αw0.83 |
Weight / density: 0.88 lb/ft²
Distance: 0
