GypsumHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Acoustical plaster, Portland cement-base
Acoustement 40
PTB reference data
Original description
Acoustical plaster, Portland cement-base
Material properties
Manufacturer: PI Pyrock
Thickness: 1 inch
Wall distance: 0 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.57
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.35 | 0.65 | 0.75 | 0.75 | 0.75 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured
