GypsumBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 200
Knauf Perlgips perforated gypsum board, straight-drilled 10/23
Perlgips perforated board – straight-drilled 10/23
PTB reference data
Original description
Knauf Perlgips perforated gypsum board, straight-drilled 10/23
Material properties
Manufacturer: Knauf Hauptverwaltung Iphofen
Thickness: 9.5 mm
Wall distance: 53 mm
Perforation: 14.8%
Hole size: 10 mm
Backing: Paratex non-woven and 20 mm mineral fiber mat
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.54
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.45 | 0.95 | 0.80 | 0.50 | 0.40 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured
