GypsumLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: PLASTER5, C: Walls, D: 9
Walls, 9 mm plaster on 25 mm studs (with mineral wool)
PTB reference data
Original description
Walls, 9 mm plaster on 25 mm studs (with mineral wool)
Material properties
Thickness: 9 mm
Wall distance: 25 mm
Backing: mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.11
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.20 | 0.05 | 0.05 | 0.05 | 0.10 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured