Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 91
Travertin micro, TRAV M
Original description
Heraklith Travertin micro wood wool fiber absorber
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| 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
