WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 90
Deutsche Heraklith Travertin rustica wood wool fiber absorber
Travertin rustica, TRAV R
PTB reference data
Original description
Deutsche Heraklith Travertin rustica wood wool fiber absorber
Material properties
Manufacturer: Deutsche Heraklith GmbH
Thickness: 25 mm
Wall distance: 0 mm, 30 mm, 250 mm
Backing: 45 mm mineral wool backing
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.51
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.55 | 0.50 | 0.50 | 0.50 | 0.55 |
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| Compare | Value | |
|---|---|---|
| 250 mm with 45 mm Mineralwollhinterfütterung | αw0.51 | |
| 30 mm | αw0.43 | |
| 0 | αw0.39 |
Weight / density: 15 kg / m²
Dimensions: 1000, 500 mm x 500 mm