FoamBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet
Combined absorbent and vibration damping, topcoat of aluminized polyester, self-adhesive, self-extinguishing
LDA12,5SE
PTB reference data
Original description
Combined absorbent and vibration damping, topcoat of aluminized polyester, self-adhesive, self-extinguishing
Material properties
Manufacturer: Nordisk Akustik A/S
Thickness: 14 mm
Surface: aluminized polyester
Up to fire class: self-extinguishing
Mounting: self-adhesive
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.39
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.20 | 0.20 | 0.45 | 0.75 | 0.75 |
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Method (354): Measured