WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
1 1/2 inch Tectum over 2 1/2 inch OCF noise barrier batt
panel
PTB reference data
Original description
1 1/2 inch Tectum over 2 1/2 inch OCF noise barrier batt
Material properties
Manufacturer: Tectum
Thickness: 4 inches
Wall distance: 40 mm
Backing: 2 1/2 inch OCF noise barrier batt
Surface: perforated facing
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.85
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.85 | 1.20 | 0.85 | 0.95 | 0.85 |
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Method (354): Measured