WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 91
Heraklith Travertin micro wood wool fiber absorber
Travertin micro, TRAV M
PTB reference data
Original description
Heraklith Travertin micro wood wool fiber absorber
Material properties
Manufacturer: Deutsche Heraklith GmbH
Thickness: 25 mm
Wall distance: 290 mm, 50 mm, 0 mm
Backing: 40 mm mineral wool backing
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.52
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.60 | 0.60 | 0.45 | 0.50 | 0.55 |
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| Compare | Value | |
|---|---|---|
| 290 mm with 40 mm Mineralwollhinterfütterung | αw0.52 | |
| 50 mm | αw0.45 | |
| 0 | αw0.37 |
Weight / density: 11,05 kg / m²
Dimensions: 1000, 500 mm x 500 mm