MetalBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 214
Value from the PTB table, not verified
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: 0.8 in
Backing: 0.8 in mineral fiber layer
Surface: aluminum sheet
Application: ceiling
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.45
derived from ISO 354 lab data
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 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
NRC: 0.45 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20,5 mm · 92,5 kg / m³ · ungelocht | 0.45 | 0.17 | 0.30 | 0.40 | 0.50 | 0.62 | 0.60 | 0.57 | 0.53 | 0.60 | 0.55 | 0.47 | 0.37 | 0.21 | 0.08 | 0.09 | 0.11 | 0.14 | 0.19 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated:
