WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: JASA 104 (6) Dec 1998
Concrete floor, wood boards, 19 inch, secured to it
PTB reference data
Original description
Concrete floor, wood boards, 19 inch, secured to it
Material properties
Thickness: 19 mm
Application: floor
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.07
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.10 | 0.05 | 0.05 | 0.05 | 0.05 |
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Method (354): Measured