GypsumBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 201
Knauf Perlgips perforated drywall, straight-drilled perforation 15/30
Perlgips perforated panel – straight-drilled perforation 15/30
PTB reference data
Original description
Knauf Perlgips perforated drywall, straight-drilled perforation 15/30
Material properties
Manufacturer: Knauf Hauptverwaltung Iphofen
Thickness: 9.5 mm
Wall distance: 53 mm
Perforation: 19.6 %
Hole size: 15 mm
Backing: Paratex fiber non-woven and 20 mm mineral fiber mat
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.58
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.40 | 0.85 | 0.85 | 0.60 | 0.55 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured
