MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 214
Nagelsturz + Eichler NE-Standard panel ceiling Type 110/15
NE-Standard panel ceiling – Type 110/15
PTB reference data
Original description
Nagelsturz + Eichler NE-Standard panel ceiling Type 110/15
Material properties
Manufacturer: Nagelsturz + Eichler GmbH & Co KG
Thickness: 20.5 mm
Perforation: 18%
Hole size: 2 mm
Backing: 20 mm mineral fiber backing
Surface: 0.5 mm thick aluminum sheet
Application: panel ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.70 | 0.65 | 0.75 | 0.75 | 0.90 |
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Method (354): Measured
