FoamBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet
Nordisk Akustik self-adhesive bonded foam
PTB reference data
Original description
Nordisk Akustik self-adhesive bonded foam
Material properties
Manufacturer: Nordisk Akustik A/S
Thickness: 10 mm, 20 mm, 30 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.54
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.30 | 0.60 | 0.80 | 0.75 | 0.55 |
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| Compare | Value | |
|---|---|---|
| 20 mm | αw0.54 | |
| 30 mm | αw0.53 | |
| 10 mm | αw0.48 |
Weight / density: 100 kg / m³
Dimensions: 1000 x 2000 mm