MetalBroadband absorber
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 with fiber absorber
NE-Standard panel ceiling – Type 110/15
PTB reference data
Original description
Nagelsturz + Eichler NE-Standard panel ceiling with fiber absorber
Material properties
Manufacturer: Nagelsturz + Eichler GmbH & Co KG
Thickness: 20.5 mm
Backing: 20 mm mineral fiber layer
Surface: aluminum sheet
Application: ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.36
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.55 | 0.55 | 0.45 | 0.15 | 0.15 |
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Method (354): Measured
